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Study finds that increased vehicle travel and decreased occupancy have undercut the impact of improving fuel economy over last 40 years

Green Car Congress

Sivak found that while the vehicle fuel economy of the entire light-duty fleet improved by 40% (from 13 mpg US to 21.6 l/100km), because of the decrease in vehicle load, the occupant fuel economy only improved by 17% (from 24.8 Combining these two effects yields a reduction of about 14% in the amount of fuel used.

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Ford, U Mich study finds greater greenhouse gas reductions for pickup truck electrification than for other light-duty vehicles

Green Car Congress

Researchers at the University of Michigan and Ford Motor Company have conducted a cradle-to-grave life cycle GHG assessment of model year 2020 ICEV, HEV, and BEV sedans, sports utility vehicles (SUVs), and pickup trucks in the United States. The lower and higher limits of each range are results for base and premium models, respectively.

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US EPA and DOT propose freezing light-duty fuel economy, GHG standards at 2020 level for MY 2021-2026 vehicles; 43.7 mpg for cars; 50-state solution

Green Car Congress

The US Environmental Protection Agency (EPA) and US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) released their long-expected notice of proposed rulemaking (NPRM) to adjust the Congressionally-mandated Corporate Average Fuel Economy (CAFE) and Light-Duty Vehicle Greenhouse Gas Emissions Standards.

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New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

Audi is unveiling the third-generation of its TT compact sports car at the Geneva Motor Show. In the sections of the passenger cell that are subject to the most structural stress, form-hardened steel panels, which are both ultra-high-strength and light are used; these constitute 17 percent of the body’s weight. 3 rd generation Audi TT.

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Cambridge team successfully tests hybrid light aircraft; 30% fuel savings

Green Car Congress

Researchers from the University of Cambridge, in association with Boeing, have successfully tested a light aircraft powered by a parallel hybrid-electric propulsion system, in which an electric motor and gasoline engine work together to drive the propeller. kW 4-stroke gasoline engine in parallel with a 12 kW electric motor.).

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DOE: Life cycle GHG emissions for 2020 electric small SUV were half those of a conventional gasoline small SUV

Green Car Congress

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. C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing.

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Toyota boosts 2023 Corolla Hybrid; starting MSRP $1,250 lower than 2022 Corolla Hybrid

Green Car Congress

liter Atkinson-cycle four-cylinder gas engine with two motor-generators through a planetary-type continuously variable transmission. A new compact high-output/low-loss drive motor for the transaxle/motor uses a redesigned magnet and electromagnetic steel plate configuration, with two additional magnets for increased output.

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