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Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.
Blue Bird Corporation will offer a factory-certified electric repower program on select gasoline- and propane-powered Blue Bird school buses. The company is collaborating with Lightning eMotors to develop this repower electric vehicle (EV) powertrain system. Earlier post.) Earlier post.)
Following two variants with V8 engines, Mercedes-AMG is presenting the entry-level SL 43 version of its newly developed roadster icon. The SL 43 features an M139 in-line two-liter, four-cylinder gasolineengine with an electric exhaust gas turbocharger—used for the first time in a production vehicle.
However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. Their open access paper is published in the journal Energy.
liter turbocharged M139 engine featuring an electric exhaust gas turbocharger. The turbocharger is operated via the 48-volt electrical system, which also feeds the belt-driven starter-generator (RSG). An electric motor around 1.6 Under the hood of the open-top 2+2-seater is an AMG-enhanced 2.0-liter
Audi is adding a new member to its A3 family: the A3 Sportback 30 g-tron natural gas vehicle. Operation with natural gas or biomethane makes the compact model economical and more climate-friendly with low emissions. TFSI engine produces 96 kW (131 PS) and generates 200 N·m (147.5 The A3 Sportback 30 g-tron 1.5
The new VW Golf is now also available in certain markets with natural gas drive: the Golf TGI is equipped with a 1.5-liter liter four-cylinder engine with 96 kW / 130 PS and three natural gas fuel tanks. The tanks are integrated into the underbody and permit a range of around 400 kilometers (WLTP) in pure natural gas mode.
The GM/U Mich patent envisages using multiple free-piston engines (240A through 240D in the patent drawing). The powertrain system—the patent application for which was filed in 2009—includes an electrical energy storage system—such as a Li-ion battery pack—and an electric traction motor. Click to enlarge.
Texas-based Nacero, a company seeking to produce low- and zero-lifecycle carbon footprint gasoline blendstock ( earlier post ) has awarded a subsidiary of NextEra Energy Resources, LLC a 20-year power purchase agreement to supply wind power to Nacero’s planned flagship manufacturing facility in Penwell, Texas. Renewable natural gas.
The results show there is no realistic pathway to full decarbonization of internal combustion engine vehicles, and that only battery and hydrogen fuel-cell EVs have potential to be very low-GHG passenger vehicle pathways. Natural gas does not offer climate benefits compared to gasoline and diesel, and many biofuel pathways do not, either.
A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.
Other fuels that play a role in commercial trucking include gasoline (23%) and compressed natural gas (0.4%). Electric and other categories each register less than 1%. About 32% of all electric trucks nationwide are in California, where for every electric truck there are about 300 diesel trucks (all years, Classes 3-8).
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
GTI1 has been named International Engine of the Year 2018 in its category. The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up! It also comes with a gasoline particulate filter. From 2,000 rpm, the 1.0
A recent news story highlighted how the Bargersville, Indiana Police Department is saving a lot of money by using electric vehicles instead of gas-powered ones. Electric motors are more energy efficient than internal combustion engines, and not by a little. Electricity also costs less than gasoline, and EVs can be.
Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.
The leak occurred at the joint nearest to the engine, where it is exposed to the engine’s movement and vibration as the car accelerates or slows down. Given a spark, gasoline will burn in any environment. Why bother liquefying gas for transport? It can also be turned into electricity.
Xiaoyun engine, which is dedicated for plug-in hybrid vehicles (PHEVs). plug-in hybrid engine is specifically built for the DM-i hybrid technology. With a Brake Thermal Efficiency (BTE) of 43%, it stands as the highest thermally efficient gasolineengine in production.
In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. We think that the way to enable the use of electricity in these vehicles is with a plug-in hybrid.
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). The Postal Service said in February that at least 10% of the new mail trucks would be electric.
All models of the new A-Class are also powered by new diesel and gasolineengines. New, efficient gasoline and diesel engines. All the new A-Class models are powered by new, efficient engines: two new four-cylinder gasolineengines are available at market launch. Further new engines will follow.
Nissan announced a breakthrough in engine efficiency, reaching 50% thermal efficiency with its in-development, next-generation e-POWER system. Nissan’s e-POWER system utilizes an on-board gasolineengine to provide electrical energy to the e-powertrain battery pack. 2) with a multi-cylinder engine.
Volkswagen has developed and deployed a gasolineengine that offers diesel-like fuel economy but is significantly cheaper to buy. This enables further reduced fuel consumption and emission levels plus powerful torque even at low engine speeds. Compared with other gasolineengines, the intake valves of the 1.5
to LiquidPiston for development of 30kW X4 rotary diesel engine prototype. an advanced internal combustion engine technology company, an additional $2.5 million to continue development of its 30kW X4 rotary diesel engine prototype, bringing DARPA’s total funding of the engine technology to $6M. Earlier post.).
of passenger cars sold in the EU were electrically-chargeable vehicles, compared to 3.0% During the third quarter, cars powered by conventional internal combustion engines lost further ground, with their overall market share going down from 88.6% Gasoline car sales posted an even stronger drop (-24.3%), going from more than 1.7
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. The effective upgrading of alcohols to gasoline, diesel, and jet fuels.
Volkswagen showcased three new drive systems at the Vienna Motor Symposium: the new 48 V mild hybrid system that will debut on the eighth-generation Golf in 2019 ( earlier post ); new high-tech diesel engines that will also be available as hybrid variants; and an advanced natural gasengine. TDI diesel engine (EA288 Evo).
Available in the Grand Cherokee Limited, Trailhawk, Overland, Summit and Summit Reserve, the 4xe propulsion system combines two electric motors, a 400-volt battery pack, 2.0-liter liter turbocharged, four-cylinder engine and TorqueFlite eight-speed automatic transmission. A clutch is mounted between the engine and the motor.
In the second quarter of 2020, the market share of electrically-chargeable vehicles increased to 7.2% The overall decline in passenger car registrations as a result of the COVID-19 pandemic affected the diesel and gasoline segments in particular, although together those still account for more than 80% of car sales. Source: ACEA.
naturally aspirated methanol engine providing 97kW (130HP) of power and 175 N·m of max torque together with an electric motor providing 100kW (134HP) of power and 320 N·m for a combined 272kW (364HP) and 495 N·m of torque. methanol engine to operate at peak efficiency and lower emissions. The sedan houses a 1.8L
For the first time, two electric vehicles with a 500-mile driving range (two variants of the Lucid Air) sit at the top of the guide’s 10 most fuel-efficient vehicles. The top 10 “fuel sippers” among 2022 models in the new guide are all-electric vehicles offering a minimum of 111 miles per gallon-equivalent fuel economy.
V6 TDI bi-turbo with electric compressor. Audi has built two technology studies with the “electric biturbo” technology it is developing ( earlier post ): the Audi A6 TDI concept is equipped with a new 3.0 a single turbo with supplementary electric compressor), while the Audi RS 5 TDI concept with a 3.0 Click to enlarge.
A research team at the University of Wisconsin–Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels. This process can be harnessed to produce electricity, with protons and nitrogen gas as byproducts.
Lightning eMotors, a provider of medium-duty and specialty commercial electric vehicles for fleets, has expanded its partnership with Forest River ( earlier post ) to offer a factory-certified all-electric repower program for shuttle buses and passenger vans. —Forest River Bus president David Wright.
SEAT, a member of the Volkswagen Group, continues to spearhead the introduction of compressed natural gas (CNG) technology, giving customers the widest choice of vehicles that are cleaner, more sustainable and offer even greater efficiency. A CNG vehicle reduces CO 2 emissions by about 25% compared to a gasoline-driven equivalent.
Hydrogen engine. The hydrogen engine-equipped Corolla competed in a total of four rounds in last year’s Super Taikyu Series. The hydrogen engine-equipped Corolla competed in a total of four rounds in last year’s Super Taikyu Series. Earlier post.). Carbon-neutral fuel. The vehicle will be powered by a 1.4-liter
HP Taxis, Prins Alternative Fuel Systems and SBL-Automotive revealed [link] of the plug-in hybrid range-extended electric LEVC TX taxi and VN5 van allowing the range extender engine to run on LPG and CNG and their renewable counterparts of biopropane and biomethane. For CNG/biomethane the engine bay layout is similar.
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. Other partners in the project consortium include Lufthansa; Fraunhofer ICT; Universität Stuttgart; Forschungszentrum Jülich; GEWI AG; CVT Chemical Engineering; and HGM. The Audi e?gas
Researchers at Oak Ridge National Laboratory have used on-board catalytic fuel reforming to increase the brake efficiency of a multicylinder, stoichiometric spark-ignited (SI) engine by increasing EGR dilution tolerance. The first category is where fuel is reformed in one or more cylinders in an engine using noncatalytic processes.
Projects will work to lower emissions by leading the expansion of EV charging stations to facilitate the transition from fossil fuel-powered vehicles to electric vehicles. Fiscal Year 2021 Low Greenhouse Gas (GHG) Vehicle Technologies RD&D DE-FOA-0002475. Fully Electric Powered, Hydraulic Assisted, Compact Track Loader.
The Responsible Battery Coalition, in partnership with the University of Michigan Center for Sustainable Systems, launched a comprehensive research project to compare the total cost of ownership of gas and electric vehicles (EVs). Projections of future gasoline and electricity prices. Anticipated driving patterns.
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. Our tool offers a very wide range of engine types. in review).
The 2023 Toyota Highlander gas models are equipped with a new, higher-torque, high-efficiency turbocharged engine. liter V6 engine’s 263 lb-ft (357 N·m). liter V6 engine’s 263 lb-ft (357 N·m). Fuel efficiency is also improved for this higher-torque engine with an EPA-estimate of up to 25 MPG combined.
In a recent simulation study reported in Porsche Engineering Magazine , Porsche Engineering examined the potential of hydrogen combustion engines. For the passenger car sector, this is insufficient, said Vincenzo Bevilacqua, Senior Expert Engine Simulation at Porsche Engineering. —Vincenzo Bevilacqua.
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