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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal legal light-duty vehicles from 1984 to present. 50 to 60 mph. 60 to 70 mph.

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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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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 with a median of 10.28 mpg (RRf at 8.1

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ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

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Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

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Tips: 6 Ways to Increase Your Fuel Economy

Clean Fleet Report

But how can you increase your fuel economy? Surprisingly, the number of items you carry in your vehicle can have a meaningful impact on your fuel economy. While it does cost a bit to have your car checked over by a mechanic, regular maintenance will improve your fuel economy and help you catch problems before they occur.

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2016 Ford Explorer SUV replaces 2.0L EcoBoost with new 2.3L EcoBoost unit; more power and torque, same fuel economy expected

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EcoBoost four-cylinder it replaces, with no compromise in fuel economy anticipated. It improves highway passing times 10% at speeds between 55 mph and 75 mph (89 and 121 km/h). An active wastegate controls boost more precisely during light load operation to help save fuel. Click to enlarge.

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Argonne study identifying fuel consumption penalties for CNG use in conventional light-duty vehicles; optimization pathways

Green Car Congress

Light-duty vehicle fuel economy penalties for CNG in conventional engines, with and without scaling for performance equivalence. seconds 0-60 mph), resulting in 145 kW of output, fuel economy dropped to 32.1 Source: ANL. Click to enlarge. up-sizing”) to deliver comparable performance to the gasoline-fueled version.

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