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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. They presented their results in a paper at SAE 2014 World Congress in Detroit.

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

Green Car Congress

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. Fuel economy.

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Chrysler Group withdraws test PHEV fleet to upgrade battery packs after overheating issues; to use a different chemistry

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No similar issues have occurred with 23 plug-in hybrid minivans deployed as part of a parallel project (also with Electrovaya batteries, ( earlier post ). The company said that the complexity of the engineering solution will determine how many vehicles return to service. mpg, while the minivans delivered 55.0

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Chrysler Group files S-1 for IPO; snapshot of R&D priorities; exploring a light-duty hydraulic hybrid

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“We are focused on delivering improved fuel efficiency and reduced emissions through smaller and optimized engines. Our engine mix is intentionally moving toward smaller, 4-cylinder engines.” Our engine mix is intentionally moving toward smaller, 4-cylinder engines. —Chrysler S-1. Earlier post.).

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Chrysler Disbands ENVI Electric Vehicle Group; Function Absorbed into Traditional Line Organization

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In April 2009, Chrysler unveiled four all-electric Chrysler Town & Country minivan concepts to the US Postal Service (USPS) in Washington, DC. In August, Chrysler took $70 million in grants from the US Department of Energy to develop a test fleet of 220 hybrid pickup trucks and minivans. Earlier post.). Earlier post.).

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Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

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Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. Conceptual image of a possible multi-cylinder OPGCI engine. It could also be the first of a family of OPGCI engines spanning 1.0

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Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

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Stemming from a major project partially funded with a $9-million grant from the Advanced Research Projects Agency - Energy (ARPA-E) to develop an opposed-piston two-stroke gasoline compression ignition engine (OPGCI) ( earlier post ), Achates Power announced it is developing a 2.7-liter, liter, 3-cylinder (i.e., The new Achates Power 2.7-liter

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