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

Green Car Congress

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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NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage

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Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids.

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US DRIVE releases comprehensive cradle-to-grave analysis of light-duty vehicle GHGs, cost of driving and cost of avoided GHGs

Green Car Congress

The study provides a comprehensive lifecycle analysis (LCA), or cradle-to-grave (C2G) analysis, of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways, as well as the levelized cost of driving (LCD) and cost of avoided GHG emissions. time to accelerate from 0–60 mph, maximum speed, etc.),

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GM and partners to begin work in January at National Tire Research Center; seeking improvements in fuel economy

Green Car Congress

million tire performance test equipment, known as Flat-Trac LTRe, is unique in its use of electric motor technology and can run a tire up to 200 mph. SovaMotion will take advantage of the Tire Center’s test data to conduct drive and handling simulations that could help reduce time and cost of vehicle program development.

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Updated Volkswagen 2017 e-Golf EPA-rated at 125 miles, 119 MPGe combined; pricing to come

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EPA-estimated fuel economy is 126 MPGe city, 109 MPGe highway and 119 MPGe combined (28 kWh/100 miles), making it one of the most efficient electric vehicles on the market (tied with the Chevy Bolt, second after the Hyundai Ioniq Electric). The 2017 e-Golf runs zero to 60 mph faster than its predecessor—now in 9.6

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2018 Toyota AYGO mid-lifecycle update features enhanced 1.0L engine; Euro 6d-TEMP-compliant; up to 61.8 mpg

Green Car Congress

Based on this, we wanted the new model to look and feel like a new car, while focussing on three pillars to enhance AYGO’s DNA: re-evaluate the exterior design, make the car quieter and more fun to drive, and lower the total cost of ownership by making new AYGO even cheaper to run. seconds, and on to a top speed of 160 km/h (99 mph).

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