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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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ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

Green Car Congress

The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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Consumer Reports finds Honda Accord hybrid fuel economy “impressive”, but short of EPA 47 mpg rating

Green Car Congress

Consumer Reports fuel economy tests found the Honda Accord Hybrid delivered impressive overall fuel-economy of 40 mpg (5.88 However, Consumer Reports’ engineers cautioned that buyers expecting their car to deliver the EPA’s figure of 47 mpg posted on the window sticker might be disappointed. Earlier post.).

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Global Fuel Economy Initiative launches second 3-year campaign; ICCT joins partnership

Green Car Congress

The Global Fuel Economy Initiative ( GFEI ) ( earlier post ) launched its second three-year effort to improve vehicle fuel economy around the world at the International Transport Forum in Leipzig. litres of gasoline equivalent per 100km. —“Global Fuel Economy Initiative Plan of Action 2012-2015.

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UMTRI study finds total cost of ownership of diesels in US often much less than gasoline counterparts

Green Car Congress

Though there are some exceptions to these positive results for some of the diesel versions of vehicles from a total-cost-of-ownership perspective, the overall direction of the results supports the idea that diesel vehicles are competitive within the U.S. The percentages are even higher after five years of ownership. Belzowski 2015.

Cost Of 150
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Setting New Standards for Clean Cars

Plug in America

A normal vehicle releases several tons of pollutants each year, which depends on the vehicle’s fuel, fuel economy, and how far it is driven annually. Improving vehicle technology and electric vehicles saves consumers money through reduced maintenance and fuel costs and improves air quality and public health.

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CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

Green Car Congress

A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.