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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. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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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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New 2023 Toyota Sequoia full-size SUV comes standard with Hybrid i-FORCE MAX Powertrain

Green Car Congress

Fuel economy estimates are not available at this time, but Toyota expects it to be extremely competitive at the top of the segment—and a huge improvement over the previous generation (14 or 15 mpg US combined, for 4WD or 2WD models, respectively).

Toyota 370
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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 Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ 50 to 60 mph.

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New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

A start-stop system is a standard feature. The new sports car can accelerate from 0 to 100 km/h (62 mph) in 7.2 seconds and reaches a top speed of 235 km/h (146 mph). Standard fuel consumption is 4.2 liters per 100 km (56 mpg US), which translates into CO 2 emissions of 110 g/km (177 g/mile). The Audi TT 2.0

Audi 310
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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. The Impala comes standard with a four-cylinder engine, which currently accounts for more than 30% of Impala retail sales.

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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 80-cell, 1.5