Fuel efficient tech may threaten climate, public health

New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts, according to research from the University of Georgia College of Engineering.

New combustion strategy accelerates hydrogen-engine development

(PhysOrg.com) -- Car manufacturers aspire to create hydrogen-powered vehicles that could one day allow energy-efficient, cost-effective travel that emits no greenhouse gases or other pollutants. To further that effort, scientists ...

Gas mileage up a gallon since early '90s

Despite advancements in fuel-saving technologies over the last 25 years, on-road fuel economy for all vehicles is up only one mile per gallon during that time.

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