Researchers at Massachusetts Institute of Technology have just completed a detailed study on biofuels used in transportation, primarily by major airlines testing biofuels to reduce their oil dependence and limit their greenhouse gas emissions. Much of the time, biofuels are far cleaner than typical fuel, but there are situations where they are worse.
Cadillac will roll out an enhanced certified pre-owned program this spring that includes a more robust 172-point inspection system, vehicle history report and 6-year, 100,000-mile limited warranty.
The line between hybrid vehicles and conventional gasoline-powered vehicles is blurring. To boost fuel economy and performance, automakers are adding many features, such as power steering, stop-start engine systems, and oil and water pumps that run on electricity. These features originally were intended for electric vehicles and hybrids but now are being adapted to conventional gasoline-powered vehicles, too.
Although not as popular as gaming apps, a growing number of apps now focus on green behavior or products. From finding alternative energy stations for vehicles to alternative light bulbs, a number of apps can help consumers go green.
Government officials say increasing fuel economy won't come at the expense of safety, but automakers are asking the Obama administration to rethink the issue. At the heart of the issue is the balance between reducing weight to improve gas mileage and compromising body structure in an accident.