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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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UK planning to trial 80 mph speed limit

Green Car Congress

The UK Government is planning to trial 80 mph (129 km/h) speed limits on sections of the motorway network. At the time, then-Transport Secretary Philip Hammond said that the current limit of 70 mph was out of date and that the higher limit would give the economy a boost.

MPH 210
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UK DfT to launch consultation on increasing highway speed limit to 80 mph

Green Car Congress

UK Transport Secretary Philip Hammond has announced a consultation on increasing the motorway speed limit in England and Wales to 80 mph (129 km/h). Hammond said the current limit of 70 mph (113 km/h) is out of date and that the higher limit would give the economy a boost.

MPH 199
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Audi introduces new CNG A3 Sportback

Green Car Congress

The ultra high-strength outer shell comprises two layers: an inner layer of carbon fiber-reinforced polymer (CFRP) and an outer layer of glass fiber-reinforced polymer (GFRP). Due to the fuel’s high hydrogen content, a CNG automobile emits approximately 20% less carbon dioxide than a comparable gasoline model.

Audi 504
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6 Easy Ways to Boost Car MPG

Clean Fleet Report

Thankfully, by incorporating only a few habits into your daily life, you can increase your fuel economy. If you vary your speed up and down between 45 and 52 mph every 18 seconds, this increases fuel use by 20%. Speed also kills fuel economy. You use 20% more fuel if you drive your car at 75 mph instead of 62 mph.

MPG 87
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BMW launching iX5 Hydrogen pilot fleet

Green Car Congress

The hydrogen needed to supply the fuel cell is stored in two 700-bar tanks made of carbon-fiber reinforced plastic (CFRP). The BMW Group welcomes and supports activities to promote innovation in Germany and Europe that will help build a hydrogen economy and accelerate production of green hydrogen.

BMW 259