Green Car Congress

JUNE 2, 2021

The US Department of Energy (DOE) has published a Beyond Tailpipe Emissions Calculator that provides estimates of total greenhouse gas (GHG) emissions associated with driving an electric vehicle (EV) or plug-in hybrid electric vehicle (PHEV), including emissions from the production of electricity used to power the vehicle.

PHEV 284

PHEV Emissions Phoenix Gas 284

Green Car Congress

APRIL 10, 2012

Technology warming potential (TWP) for three sets of natural gas fuel-switching scenarios. (A) A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Source: Alvarez et al. Click to enlarge.

Climate Change 270

Climate Change Climate Gas Coal 270

Green Car Congress

DECEMBER 7, 2012

Interrelationship between EV energy economy (y-axis) and and the electricity grid emissions intensity (x-axis) in determining full fuel cycle greenhouse gas emissions. The source of the electricity used to power electric vehicles is a key issue in Victoria. —“Environmental Impacts”. Source: “Environmental Impacts”.

Gas-Electric 225

Gas-Electric Emissions Gas Grid 225

Green Car Congress

JUNE 6, 2012

Honda Fit EV Efficiency Comparison. 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. EPA Combined MPGe. EPA Combined kWh/100m.

Fuel Economy 339

Fuel Economy EPA 2013 Honda 339

Green Car Congress

MARCH 22, 2023

On this basis, and of Pareto efficiency, Emissions Analytics argues, until battery-electric vehicles can reach certain performance characteristics, government and industry support should switch immediately from EVs to full hybrids to create maximum welfare. Every air pollutant is more than 90% its limit.

Emissions 395

Emissions Hybrid Kia Gasoline-Electric 395

Green Car Congress

DECEMBER 14, 2011

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 Phoenix and Tucson, Ariz.; Portland, Ore.; Raleigh-Durham, N.C.;

Michigan 363

Michigan 2012 Ford Lithium Ion 363

Green Car Congress

MAY 17, 2020

A recent PSI study led by environmental scientist Christian Bauer found that a battery electric car is already the most environmentally friendly option in Switzerland and many other countries, even when the manufacture of the battery is figured in. When, Where and How can battery-electric vehicles help reduce greenhouse gas emissions? (in

Mariner 435

Mariner Climate Change DC Cars 435

Green Car Congress

OCTOBER 7, 2012

Researchers at the Norwegian University of Science and Technology (NTNU) have compared the emissions resulting from the production, use, and end-of-life of electric and internal combustion engine vehicles (EVs and ICEVs) in a full life-cycle analysis (LCA). This has led to a general perception of EVs as an environmentally benign technology.

Gasoline-Electric 309

Gasoline-Electric Vehicles Coal Gasoline 309

Green Car Congress

MARCH 9, 2016

Rice University researchers have determined a more effective way to use natural gas to reduce climate-warming emissions would be in the replacement of existing coal-fired power plants and fuel-oil furnaces rather than burning it in cars and buses. However, residential uses and exports of natural gas were not considered in those comparisons.

Gas-Electric 150

Gas-Electric Gas Transportation Coal 150

Green Car Congress

JANUARY 3, 2014

WTW energy demand and GHG emissions for EV and PHEV drivetrains for various electricity sources; gasoline ICE vehicle is solid square, hybrid the hollow square. First, it considers the performance of both mature and novel hydrogen production processes, multiple electricity generation pathways and several alternative drivetrains.

Alternative Fuels 252

Alternative Fuels Emissions Fuel Switzerland 252

Green Car Congress

JUNE 11, 2013

Consumers who purchase an electric vehicle will find that lifetime costs to own the vehicle are competitive with conventional and hybrid vehicles, according to an analysis conducted by the Electric Power Research Institute (EPRI). —“Total Cost of Ownership for Current Plug-in Electric Vehicles”.

EPRI 261

EPRI Plug-in Cost Of Plug 261

Green Car Congress

DECEMBER 17, 2013

The Electrification Coalition released two case studies outlining how two cities— Houston, Texas and Loveland, Colorado —are saving money by using electric vehicles (EVs) in their vehicle fleets. found that the city’s LEAFs will cost 41% less to own and operate than gasoline-powered vehicles. Earlier post.).

Houston 312

Houston Fleet Tax Credit Plug-in 312

Green Car Congress

AUGUST 30, 2011

The Turbosteamer and Thermoelectric Generator (TEG) projects are focused on generating electric current from waste heat to improve overall engine efficiency, but each project follows a different approach and time frame. Research project Turbosteamer: comparison of the heat exchanger generation 1 (top) and generation 2 (bottom).

Waste 376

Waste BMW Exhaust Gas-Electric 376

Green Car Congress

NOVEMBER 2, 2010

Plug-in electric vehicles, including plug-in hybrids and battery electric vehicles, have the potential to make up 9% of US auto sales in 2020 and 22% in 2030 (1.6 However, achieving such growth level will be dependent on two key factors: aggressive reductions in battery costs and rising gasoline prices. Earlier post.)

Plug-in 283

Plug-in Financing 2020 Plug 283

Green Car Congress

JUNE 9, 2022

liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. The “Dynamic Force Engine” achieves one of the world’s best thermal efficiencies of 40% in gasoline powered vehicles according to Toyota. The Toyota 2.5L

Emissions 243

Emissions Fuel Gasoline-Electric Gasoline 243

Green Car Congress

OCTOBER 25, 2010

A team from Algenol and Georgia Tech calculated the life cycle energy and greenhouse gas emissions for three different system scenarios for this proposed ethanol production process, using process simulations and thermodynamic calculations. MJ/MJEtOH, and the net life cycle greenhouse gas emissions range from 29.8 wt % to 5 wt %.

Carbon 246

Carbon Gasoline Gas-Electric Gasoline-Electric 246

Green Car Congress

AUGUST 19, 2022

We have therefore developed a hydrogen combustion engine that aims to match the power and torque of current high-performance gasoline engines as a concept study. liter eight-cylinder gasoline engine—or rather, its digital data set, since we conducted the entire study virtually using engine performance simulations.

Porsche 284

Porsche Hydrogen Gasoline-Electric Exhaust 284

Green Car Congress

OCTOBER 31, 2019

This analysis compares the costs of usable energy when we buy gasoline and electricity for driving and natural gas for keeping warm. Gasoline-powered vehicles. Gasoline-powered vehicles. Combustion of a gallon of gasoline (that includes ethanol) releases 120,333 Btu of energy. All-electric vehicles.

Cost Of 170

Cost Of Energy Gasoline-Electric Gas-Electric 170

Green Car Congress

JULY 18, 2012

The US Department of Energy (DOE) released the final report from its National Renewable Energy Laboratory (NREL) for a technology validation project that collected data from more than 180 fuel cell electric vehicles over six years (early 2005 through September 2011). These vehicles made more than 500,000 trips and traveled 3.6

Gasoline 306

Gasoline Fuel Vehicles Hydrogen 306

Green Car Congress

APRIL 14, 2020

The 2020 edition of US Environmental Protection Agency’s (EPA) comprehensive annual report on nationwide greenhouse gas (GHG) emissions shows that emissions increased from 2017 to 2018 by 3.1% (after accounting for sequestration from the land sector). Source: EPA. >. through the uptake of carbon and storage in forests, vegetation and soils.

2018 243

2018 2017 EPA 2005 243

Green Car Congress

OCTOBER 31, 2009

million from the Department of Energy’s ARPA-E program ( earlier post ) to complete its prototype development of a new gasoline-fueled wave disc engine and electricity generator that promises to be five times more efficient than traditional auto engines in electricity production, 20% lighter, and 30% cheaper to manufacture.

Michigan 316

Michigan Engine Universal Hybrid 316

Green Car Congress

AUGUST 19, 2014

Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., —Dai and Lastoskie. Click to enlarge.

Gas 218

Gas Li-ion Gas-Electric Conversion 218

Green Car Congress

APRIL 10, 2014

Toyota Motor Corporation has developed a new series of fuel-efficient gasoline engines that achieve improved thermal efficiency. liter gasoline engine in which Toyota is employing the Atkinson cycle—normally used in dedicated hybrid engines—and a compression ratio of 13.5:1. Click to enlarge. One of the engines is a 1.3-liter

Gasoline 273

Gasoline Toyota Engine Fuel 273

Green Car Congress

NOVEMBER 16, 2010

Consumer interest in electric vehicles. However, the flip side of the survey was that about 44% of respondents stated that they would be “extremely” or “very” interested in purchasing a PEV with a driving range of 40 to 100 miles and an electricity cost equivalent of $0.75 Source: Pike Research. Click to enlarge. per gallon. .

Plug-in 231

Plug-in Purchase Plug Electric Vehicles 231

Green Car Congress

FEBRUARY 12, 2011

Current case design block flow diagram of thermochemical gasoline from biomass-derived methanol and the methanol-to-gasoline process. Gasoline has a higher energy content than ethanol.) Source: NREL. Click to enlarge. gallon US ($0.52/liter). gallon US ($0.52/liter). gallon ($0.37/liter). per gallon ($0.41 per liter) and $1.49

Gasoline 225

Gasoline Gasoline-Electric Gas-Electric Convert 225

Green Car Congress

FEBRUARY 3, 2014

Our test shows that as well as electric driving on renewable electricity, there are other concepts that permit long-distance, low-emission driving. Fuel specifications are not publicly available yet, nor are emissions results and comparisons. —Reiner Mangold, Head of Sustainable Product Development at Audi.

Audi 285

Audi Diesel Fuel New Mexico 285

Green Car Congress

MARCH 19, 2018

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. Compared with other gasoline engines, the intake valves of the 1.5 Chargers of this kind combined with gasoline engines are usually found only in high-performance cars. l/100 km (49 mpg US).

Fuel Economy 257

Fuel Economy Gasoline Engine Economy 257

Green Car Congress

DECEMBER 13, 2009

The study, published in the journal Environmental Research Letters , concluded that even under highly optimistic assumptions the compressed-air car is significantly less efficient than a battery electric vehicle and produces more greenhouse gas emissions than a conventional gas-powered car with a coal intensive power mix.

Electric Vehicles 268

Electric Vehicles Battery Batteries Cars 268

Green Car Congress

SEPTEMBER 24, 2012

Comparisons of life-cycle emissions from LUC phase for (a) sugar cane ethanol and (b) soybean biodiesel. Expansion in Brazil presents unique opportunities for both liquid fuel and electricity production. Even in the 100-year case, LUC emissions in CO and particulate matter are still higher than that of gasoline. 683 g PM 2.5

Gasoline 273

Gasoline Emissions Diesel Brazil 273

Green Car Congress

NOVEMBER 7, 2014

Public-private investment initiatives, government funding for infrastructure and consumer subsidies, falling production costs and notably, the commitment to future OEM launches of fuel cell electric vehicles (FCEVs)—all indicate a clear road to adoption. Myth #2: Hydrogen gas is dangerous to store and use.

Fuel 281

Fuel Electric Vehicles Market Hydrogen 281

Green Car Congress

JANUARY 12, 2013

In regions where the share of coal-based electricity is relatively low, EVs can achieve substantial GHG reduction, the team reports in a paper in the ACS journal Environmental Science & Technology. China recently launched several EV demonstration programs (e.g., Earlier post.]

Coal 231

Coal Pollution China Gas 231

Green Car Congress

JULY 14, 2014

In the case of the 2500HD bi-fuel, the two main trade-offs are a reduction in power and torque in CNG mode compared to gasoline mode, and the loss of a portion of the bed of the truck to the 3,600 psi CNG tank and its box-like enclosure. (It Emissions reductions (%) of new NGVs compared to new gasoline and diesel vehicles (2012).

Silverado 247

Silverado Chevrolet Fuel Gasoline-Electric 247

Green Car Congress

AUGUST 30, 2009

In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol. The level was raised to 25% over the next five years, which was intended to maintain a constant Brazilian gasoline supply for an ever-increasing demand. These were arguably the first flex-fuel vehicles.

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

AUGUST 23, 2013

Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc. During his presentation at the TDI Efficiency Rally, UMTRI researcher Bruce Belzowski first presented a summary of his analysis of the total cost of ownership of diesels with a comparison to that of their gas vehicle counterparts.

Diesel 366

Diesel Audi Sale Fuel Economy 366

Green Car Congress

APRIL 17, 2019

Additionally, well-managed electric fleets that optimize electricity charging for off-peak hours and avoid demand charges can save as much as 60% on fueling versus their internal combustion engine (ICE) or unmanaged EV fleet counterparts. AMPLY developed an interactive map to compare gas and electric fleet fueling costs.

San Francisco 247

San Francisco Charging Fuel Fleet 247

CleanTechnica EVs

AUGUST 12, 2024

I just saw a featured headline on Google yesterday: “Is EV Charging Cheaper Than Gasoline? ” Right away, I thought, “ugh… ” I conducted cost of ownership analyses and comparisons between gas cars and electric cars for years, and anyone who has done even one.

Conversion 133

Conversion Cost Of Gas Charging 133

Green Car Congress

JUNE 23, 2023

Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint. Lead author Aniruddh Mohan and colleagues wanted to develop a method that evaluated the life-cycle costs and benefits for two battery-powered ridesource fleets and a gasoline-powered one.

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Fleet Carbon All-Electric Emissions 195