This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
A multi-Hubbert analysis of coal production by Tadeusz Patzek at The University of Texas at Austin and Gregory Croft at the University of California, Berkeley concludes that the global peak of coal production from existing coalfields will occur close to the year 2011. Gt C (15 Gt CO 2 ) per year, according to the study.
In August 2012, coal produced 39% of US electricity, up from a low of 32% in April 2012, when the natural gas share of generation equaled that of coal. Data for 2011 and 2012 are preliminary. Chart includes generation from the electric power sector only, excluding commercial and industrial generators. Source: EIA.
US greenhouse gas emissions by gas. The US Environmental Protection Agency (EPA) released its 19 th annual report of overall US greenhouse gas (GHG) emissions, showing a 3.4% decrease in 2012 from 2011. Annual US greenhouse gas emissions relative to 1990 (1990=0). Source: EPA. Click to enlarge. Source: EPA.
Mercedes-Benz has given its B-Class range—more than 350,000 of which have been sold worldwide since market launch in late 2011—a major facelift including exterior and interior enhancements along with redefined design and equipment lines. B 200 Natural Gas. B-Class Electric Drive. l/100 km (65.3 l/100 km (43.6
Norwegian transportation company Fjord1 launched the MF Boknafjord , the world’s largest gas ferry. The new gas-operated ferry is designed by Multi Maritime AS in Førde, Western Norway and has a total length of 129.9m, a maximum width of 19.2m The gas motors will give a service speed of approx. MF Boknafjord. Click to enlarge.
Audi A3 TCNG for e-gas project. Starting in 2013, Audi will begin series production of TCNG models whose engines—derived from TFSI units—will be powered by e-gas: synthetic methane produced via the methanation of hydrogen produced by electrolysis using renewable electricity. Click to enlarge.
In January 2011, General Motors Ventures LLC invested $7 million in Envia Systems to provide GM’s battery engineering team with access to advanced lithium-ion cathode technology that delivers higher cell energy density and lower cost. Earlier post.).
Preliminary electric power data show that, for the first time since the US Energy Information Administration (EIA) began collecting the data, electricity generation from natural gas-fired plants is virtually equal to generation from coal-fired plants, with each fuel providing 32% of total generation. million megawatt-hours.
Source: US Energy Information Administration, Preliminary Monthly Electric Generator Inventory, January 2019. Other includes landfill gas, biomass, and other gas. Based on data in EIA’s Preliminary Monthly Electric Generator Inventory, reciprocating engines accounted for 1% of the total natural gas-fired power fleet.
The solar array, designed and installed by British Gas, can produce up to 3,475,000 kWh a year—enough electricity to build up to 22,500 engines. The solar array, commissioned as a multi-million-pound project delivered by British Gas, will significantly reduce the site’s carbon emissions.
Empa, ETH Zürich and the road sweeper manufacturer Bucher Municipal have jointly developed a pioneering hybrid-electric powertrain for road sweepers in a CTI (Switzerland’s Commission for Technology and Innovation) project. The concept is based on a natural gas-driven engine, which provides power to the electric motors.
The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. The TEGs were also tested on the bench and, in a peak performance test, produced more than 700 watts as a result of improving interfaces, thermal and electrical.
for a “Power-to-Gas” project in Germany. The 2 MW energy storage facility, to be located in Falkenhagen in northeast Germany, will use surplus renewable energy sources to produce hydrogen for storage in the country’s existing natural gas pipeline network. Electrolysis company Hydrogenics Corporation has received an order from E.ON
Source: Greene and Plotkin (2011). Currently, greenhouse gas (GHG) emissions from the US transportation sector represent 27% of the GHG emissions of the entire US economy and 30% of the world’s transportation GHG emissions. In the High Mitigation Case, a transition to electric and/or hydrogen vehicles is well underway by 2050.
On Saturday, Israel’s Ministry of Energy & Water Resources reported that commercial natural gas production had begun from the deepwater Tamar field (c. Tamar was the world’s largest natural gas discovery in 2009, notes Delek Energy, one of the Tamar partners. Israel natural gas demand forecast 2011-2040. Click to enlarge.
They also found that the total costs of ownership (TCO) of the electric and diesel trucks are similar. Over an array of possible conditions, the median TCO of electric trucks is 22% less than that of diesel trucks on the NYCC. However, the cost-competitiveness of the electric truck diminishes in drive cycles with higher average speed.
Audi’s latest e-fuels project is participation in a a pilot plant project in Dresden that produces diesel fuel from water, CO 2 and green electricity. The sunfire plant, which operates according to the “power-to-liquid” (PtL) principle, requires carbon dioxide, water and electricity as raw materials. it can be used as a drop-in fuel.
For the first eleven months of 2013, natural gas consumption in the electric power sector was below 2012 levels because of relatively higher natural gas prices compared with coal prices, and cooler summer weather compared with 2012, according to the US Energy Information Administration (EIA).
UIL Holdings Corporation is a diversified energy delivery company serving more than 700,000 electric and natural gas utility customers in 66 communities across two states, with combined total assets of more than $4 billion. The plants are expected to be operational in early 2015. The site will also host an array of solar panels.
Scientists at the US Naval Research Laboratory are computationally studying the complex physics of Rotating Detonation-Wave Engines (RDEs or RDWEs) as a potential means to reduce fuel consumption in the gas-turbine engines upon which the Navy is highly dependent for propulsion. 49 th AIAA Aerospace Sciences Meeting (AIAA-2011-0580).
UPS released its annual Sustainability Report announcing that while the total number of packages shipped in 2012 increased, the company reduced its total Greenhouse Gas (GHG) emissions. The new Sustainability Report also cites the greenhouse gas reductions, fuel savings and miles avoided through the innovative use of technology.
A new report from a team at Argonne National Laboratory examines the changing characteristics for light-duty plug-in electric vehicles (PEVs) from 2010-2021, evaluating range, energy efficiency, costs, and performance. Sales shares of PEVs in the United States by manufacturer, 2011–2021. terawatt-hours of electricity to drive 19.1
Fulcrum will gasify 147,000 tons of municipal solid waste to produce synthesis gas which it then will catalytically convert to synthetic paraffinic kerosene/jet fuel via a Fischer-Tropsch (FT) process. A venturi scrubber captures and removes any entrained particulate, and the syngas is further cooled in a packed gas cooler scrubber.
However, solid oxide fuel cells (SOFCs) can oxidize any fuel, because the electrolyte transports an oxygen ion, Wachsman noted in a 2011 paper in Science exploring LT-SOFCs. —Wachsman and Lee (2011). The PowerSERG 2-80, also called “The Cube”, connects to a natural gas line and electrochemically converts methane to electricity.
Ford Focus Electric. The 92 kW (123 hp) coaxial electric motor generates 189 ft-lb of torque, and is teamed to a chassis with a fully-independent suspension and a driver-selectable 3-mode electric drive system adapted from the CR-Z Sport Hybrid. Honda Fit EV Efficiency Comparison. EPA Combined MPGe. Mitsubishi i-MiEV.
in 2011, close to the historical average. in 2011, broadly in line with the historical average but well below the 5.1% Oil demand grew by less than 1%—the slowest rate amongst fossil fuels—while gas grew by 2.2%, and coal was the only fossil fuel with above average annual consumption growth at 5.4% Source: BP.
MY1978-2011 figures are NHTSA CAFE in mpg. The agencies plan to issue a Notice of Proposed Rulemaking by the end of September 2011. The standards also cut more than 6 billion metric tons of greenhouse gas emissions over the life of the program. Light-duty vehicle fuel economy standards, 1978-2025. million barrels a day.
The study found that TCO for electric and diesel medium-duty urban delivery trucks were similar. The electric truck is relatively more cost-effective on the NYCC and when VKT demand is higher. Cost-competitiveness of the electric truck diminishes in drive cycles with higher average speeds. Credit: ACS, Lee et al.
Natural gas is the fastest-growing fossil fuel, as global supplies of tight gas, shale gas, and coalbed methane increase. With prices expected to increase in the long term, however, the world oil price in real 2011 dollars reaches $106 per barrel in 2020 and $163 per barrel in 2040, according to IEO2013.
Total subsidies for renewable energy stood at $66 billion in 2010 (a 10% increase from the year before); the total value of global fossil fuel subsidies is estimated at between $775 billion and more than $1 trillion in 2012, Two thirds of the renewable energy subsidies went to renewable electricity resources and the remaining third to biofuels.
A new concentrating solar power system developed by Pacific Northwest National Laboratory (PNNL) can reduce the fuel consumption of a modified natural-gas combined-cycle (NGCC) power plant by about 20%. The power plant then combusts the more energy dense syngas to produce electricity. The full CSP system. Photo: PNNL. Click to enlarge.
BMW also released a project update to the Landfill Gas-to-Hydrogen Pilot Project. The first phase of the study, that validated the economic and technical feasibility, began in July 2011. BMW’s US plant currently produces 38% of its electrical requirements on-site, mostly from its landfill gas-to-energy program.
Ford’s Michigan Assembly Plant is starting production of the 2012 Focus Electric ( earlier post )—a five-passenger, battery-electric car Ford expects will achieve more than a 100 miles per gallon equivalent (MPGe) fuel economy rating. 1 gallon of gasoline=33.7 1 gallon of gasoline=33.7 Phoenix and Tucson, Ariz.; Portland, Ore.;
With $555 million in investments between 2011 and 2020, the company is implementing plans to expand AGM production capacity in Germany, the United States and China. It requires minimal changes to the vehicle and costs significantly less than battery systems in hybrid or electric vehicles. Johnson Controls AGM battery. Click to enlarge.
—The World Economic and Social Survey 2011. The past decade was the first in two centuries with increasing CO2 emissions intensities, owing to a “coal revival”, in contrast with the rapid conversion to natural gas in the 1990s. —The World Economic and Social Survey 2011.
natural gas vehicle. natural gas vehicle, previewed in a concept form in 2011 ( earlier post ) and revealed in its production version at the Geneva auto show in March this year, in Europe. The natural gas version produces its 50 kW output at 6,200 rpm and reaches its maximum torque of 90 N·m (66 lb-ft) at 3,000 rpm.
According to the new report, from 2011 through Q4 2012, cumulative credits generated under the LCFS total 2,835,662 metric tons of CO 2 e, while cumulative deficits total 1,550,698 metric tons CO 2 e, for a net excess of 1.285 million credits (metric tons of CO 2 e). Electricity generated 1% of the net credits. Earlier post.).
For example, a typical medium-sized family car will create around 24 tonnes of CO 2 during its life cycle, while an electric vehicle (EV) will produce around 18 tonnes over its life, the report said. A similar electric vehicle will have embedded production emissions of 8.8tCO 2 e, 43% of which arise from the battery.
They then expanded each generic scenario into three illustrative scenarios to explore the theoretical implications of meeting the 2050 goal by relying exclusively on biofuels and hybrid vehicles; biofuels and plug-in hybrid vehicles; or hydrogen fuel cell electric vehicles. gCO 2 e/MJ by 2050—a 77% reduction below the baseline.
Renault recently made public the findings of an internal study, published first in October 2011, detailing and comparing the lifecycle assessments (LCAs) of the battery-electric and two internal combustion engined versions (gasoline and diesel) of the Renault Fluence. Electric Fluence Z.E. The Fluence is a 4-door, 5-seat sedan.
CSR says that preliminary research suggests that the test locomotive will cost less to maintain and less to fuel, and will also exhibit significantly better horsepower output at higher speeds than current diesel-electric locomotives that pull the majority of passenger trains in the US.
The award recognizes EPA Green Power Partners who distinguish themselves using on-site renewable energy applications, such as solar photovoltaic (PV) or landfill gas. MW solar energy system, which is enough green power to meet 12% of the organization’s electricity use. GWh hours of electricity per year. Earlier post.).
According to the most recent greenhouse gas emissions inventory from the California Air Resources Board (ARB), the state’s total greenhouse gas emissions rose 1.7% in 2012 from 2011 to 459 million tonnes of carbon dioxide equivalent (MMTCO 2 e). increase in population during the same period.
Maryland Governor Martin O’Malley released the state’s Greenhouse Gas Reduction Act Plan with the goal of reducing greenhouse gas (GHG) emissions 25% by 2020 from a 2006 baseline. These standards became effective for model year 2011 vehicles, significantly reducing a number of emissions from greenhouse gases.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content