In 1975, as part of the response to the Arab oil embargo of 1973–1974, the U.S. Congress and President Richard Nixon passed the Energy Policy and Conservation Act. One of a number of provisions in this legislation intended to decrease fuel...

Fuel efficiency, in its basic sense, is the same as thermal efficiency, meaning the efficiency of a process that converts energy contained in a carrier fuel into energy or work. Overall fuel efficiency may vary per device, which in turn may vary per...

Allan P. Gray {letters, Oct. 29} asserts that more energy is required to produce corn-derived ethanol than the fuel itself contains. He proceeds to a defense of methanol, which he says is now derived from petroleum, but could be made from garbage and wood...

CMM provides real-time measurement results for aerospace engine component manufacturer Enginetics Corp., a Huber Heights, OH, aerospace company, discovered a new way to improve product quality while increasing worker productivity--the Discovery coordinate measuring machine (CMM), Giddings & Lewis Controls, Measurement, & Sensing,...

The hybrid-electric Toyota Prius leads the government's annual top-10 fuel economy list of vehicles that can make living with high gas prices a little more tolerable. The 2007 Prius, with 60 miles per gallon in the city and 51 mpg...

Car makers are embracing fuel-efficient vehicles and bringing a new perspective to energy challenges, the chairman of the firm that bought an 80 percent stake in Chrysler said Wednesday."We're not the old automobile industry," said former Treasury Secretary John Snow, chairman of Cerberus Capital Management,...