american petroleum institute

According to the American Petroleum Institute's (API) Monthly Statistical Report, U.S. gasoline deliveries for the first half of 2010 averaged 8.88 million barrels per day, 0.6 percent lower than the corresponding period a year ago. Though the drop in demand is minuscule, it does provide us with an ...

There are broad strokes that you can take toward increased efficiency. Going that route results in expensive new technology or plucking the low-hanging fruit. The other way, of course, is to optimize everything obsessively, from wheel bearings to wiper blades. Engine oil is a vital, yet unsung ...