A Michigan-based engineering firm has reportedly developed technology to optimize engines for ethanol. According to a press release from Ricardo, Inc., the technology “optimizes ethanol-fueled engines to a level of performance that exceeds gasoline engine efficiency and approaches levels previously reached only by diesel engines.” The technology, called Ethanol Boosted Direct Injection or EBDI, takes full advantage of ethanol’s best …

Enterprise Rent-A-Car, already home to the world’s largest fleet of fuel-efficient vehicles, is doubling the number of gas/electric hybrids in its inventory by adding 5,000 of the green vehicles. This company press release says Enterprise is also designating nearly 80 rental locations across the country as “hybrid branches” that will have a high concentration of the new hybrids available for …