It just doesn't matter Only if forced Through 2010 sales of fuel efficient vehicles – those achieving at least 30 mpg – are down 10 percent compared to 2009. Time to pray for a hydrogen miracle? After more than a decade in the market, hybrid cars still account for less than 3 percent of new vehicle sales

Filed under: MPG , GM , Green Daily , China Buick Excelle GT – Click above for high-res image gallery Shanghai GM , a joint venture between General Motors and China’s SAIC , has outlined plans for the next phase of the company’s ” Drive to Green ” strategy. Phase two includes several fuel economy-related targets that the company hopes to achieve by 2015. The broad goal for Shanghai GM is to improve fuel efficiency by 15 percent while also boosting engine performance by 14 percent

Ready to fuel America? When could this power America? Some interesting energy news on CNBC today featuring US Commerce Secretary Gary Locke.

Readily available technology can cut the fuel consumption of passenger cars as much as 50 percent without impacting performance or comfort but would add as much as $9,000 to the price of new vehicles. Such are the trade-offs in our quest to boost efficiency while maintaining our love affair with the automobile, and they are spelled out in a report by the National Academy of Sciences. The academy asked 12 engineers, scientists and industry insiders to examine commercially available technology and its impact on fuel consumption

Still not accurate enough Stymieing better fuel efficiency? According to a National Academy of Science Pane l, many readily available technologies to improve fuel efficiency are not being utilized by automakers because the methodologies for determining fuel economy, particularly regarding CAFE, are often out of touch with the real world.

Perfect world nonsense? The highway fuel economy gimmick Highway fuel economy. According to transportation studies, census studies, etc., the future of transportation for most Americans is megacity-style, ever-increasing congestion