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EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

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The agency’s reasoning was that since alternative fuel vehicle production has generally been less than 0.1% of total vehicle production until very recently, the impact of excluding alternative fuel vehicles was negligible. Fuel economy average for the US fleet, per the Trends report, is 24.1

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JAC and Ricardo develop production version of HyBoost concept; seeking 30% boost in fuel economy with same performance

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Anhui Jianghuai Automobile Group Co Ltd (JAC) and Ricardo are collaborating on a project to develop the Ricardo HyBoost concept ( earlier post )—a combination of low-cost technologies to deliver improved performance and fuel economy which featured recently in the Ricardo Centenary celebrations —into volume production on a JAC vehicle.

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

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As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance.

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EIA: price of gasoline tends to have little effect on travel demand; price elasticity has fallen

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The 28% drop in the US average retail price of gasoline since 23 June may not have much effect on automobile travel, and in turn, gasoline consumption, according to an analysis by the US Energy Information Administration (EIA). Gasoline is a relatively inelastic product—i.e., per gallon on June 23, to $2.68

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Ricardo to assist Lifan in development of 1.2L turbocharged DI gasoline engines for downsizing applications

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Ricardo will assist Lifan Automobile Group based in Chongqing, China, with the development of a family of highly downsized gasoline engines capable of meeting future Chinese and international fuel economy and emissions regulations. capacity.

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EPA GHG Inventory shows US GHG down 1.7% y-o-y in 2019, down 13% from 2005

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While an increased demand for travel has led to increasing CO 2 emissions since 1990, improvements in average new vehicle fuel economy since 2005 has slowed the rate of increase of CO 2 emissions. Diesel fuel for freight trucks and jet fuel for aircraft accounted for 25% and 10% of fuel consumption, respectively.

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