A prototype of the Connaught Type-D is seen in Llanelli, South Wales, Thursday, April 24, 2008. A few miles to the west of Cardiff, Wales, Connaught Engineering Ltd. has invested $24 million in a factory to produce a CO2 emissions-cutting engine component that can be retrofitted to commercial vans. The system saves both fuel and an estimated 25 percent of carbon emissions on diesel home delivery vans. (AP Photo/Kirsty Wigglesworth)

Read Article