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EPA fuel economy report finds weight and power leveling off, footprint stable

Green Car Congress

EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.

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Chevrolet makes Stop/Start standard on base 4-cylinder in 2015 Impala; 5% improvement in city fuel economy

Green Car Congress

Stop/start technology will be standard on the 2015 Impala base 2.5-liter liter ECOTEC engine, an addition that improves the vehicle’s city fuel economy by nearly 5%, or one mile per gallon. For the 2015 model year, the Impala will be available with two powertrains, a standard 2.5L six-cylinder engine. million in 2022.

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Study finds 6.3% spread in fuel economy obtained with maximum and minimum rolling resistance tires

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spread between the fuel economy obtained with maximum and minimum rolling resistance tires. At the average 2015 price of regular gasoline, the obtained fuel-consumption extremes result in a $78 difference in the annual cost of gasoline per light-duty vehicle, Sivak said. with a median of 10.28 mpg (RRf at 8.1

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GM to introduce strong hybrid version of Malibu; combined fuel economy above 45 mpg; leverages Volt

Green Car Congress

Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 EGHR improves engine warm up and assures consistent fuel economy performance in cold weather. engine with start/stop. An all-new direct-injection 1.8L

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Hyundai introduces hybrid version of new Sonata; 10% improvement in fuel economy over predecessor

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Hyundai expects the 2016 Sonata Hybrid to improve fuel economy more than 10%. Sonata Hybrid’s Transmission-Mounted Electrical Device (TMED) delivers the same responsive, engaging driving characteristics Sonata owners expect while improving fuel economy through the use of the larger electric motor.

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Infiniti Q80 Inspiration concept hybrid delivers 550 hp with 42.8 mpg fuel economy

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Acceleration from 0-60 mph takes less than 4 seconds, and the top speed is limited to 155 mph (250 km/h). The company also introduced the the new 2015 Infiniti Q70 to Europe during the show. Q80 Inspiration. Click to enlarge. Combined engine and motor system torque is 750 N·m (553 lb-ft). Powered by a new 2.2-liter,

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NREL analysis of Proterra electric bus demo finds average fuel economy nearly 4x that of CNG baseline buses

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The baseline CNG buses had an average fuel economy of 4.04 These results indicated that the BEBs have an average fuel economy that is nearly 4 times higher than that of the CNG buses. The NREL team found, inter alia , that the battery-electric buses (BEBs)had an overall average efficiency of 2.15 miles per DGE.