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EIA: fuel economy improvements bring diminishing returns in fuel savings

Green Car Congress

Improving fuel economy exhibits diminishing returns in fuel savings, according to a brief analysis by the US Energy Information Administration (EIA). Similarly, the fuel and cost savings of improving fuel economy from 12 mpg to 15 mpg are the same as increasing from 30 mpg to 60 mpg.

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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

Green Car Congress

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. —Curran et al.

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EPA trends report finds MY 2021 fuel economy remained flat at a record high while CO2 levels hit new low

Green Car Congress

The US Environmental Protection Agency (EPA) released its annual Automotive Trends Report , which shows that model year (MY) 2021 vehicle fuel economy remained at a record high—but flat with MY 2020 fuel economy—while CO 2 emission levels reached a new record low. Source: EPA. Source: EPA. SOurce: EPA.

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Ford unveils Maverick compact hybrid pickup truck starting at less than $20K

Green Car Congress

Maverick comes as a standard five-passenger, four-door pickup, with a full-hybrid powertrain and a projected EPA-estimated rating of 40 mpg city fuel economy and 500 miles of range on a single tank of gas. The standard full-hybrid powertrain features a four-cyinder 2.5-liter

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U.S. regulator launches loosened fuel economy standards

Teslarati

safety regulator has officially launched more relaxed fuel economy standards, following a similar move from the Environmental Protection Agency (EPA) made a few months ago. The National Highway Traffic Safety Administration (NHTSA) has officially announced new fuel standards requiring an average fleet fuel economy of 50.4

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Stellantis Hurricane twin-turbo I-6 cuts emissions, increases fuel economy and is more powerful

Green Car Congress

liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fuel economy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted six-cylinder power plants. 1 compression ratio and uses 91 octane premium fuel.

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EIA: Petroleum and natural gas will be the most-used fuels in the US through 2050

Green Car Congress

In this case—which reflects only current laws and regulations—renewable energy is the fastest-growing energy source through 2050, while petroleum remains the largest share of energy consumption throughout that period, followed by natural gas.

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