Spencer Brown, founder of RentAGreenBox.com, prepares to show off his 1983 Mercedes 300 SD that runs on biofuel and vegetable oil and is billed as the countrys fastest vegetable-oil-powered car at the Green Solutions Expo in Irvine.
Spencer Brown, founder of RentAGreenBox.com, prepares to show off his 1983 Mercedes 300 SD that runs on biofuel and vegetable oil and is billed as the countrys fastest vegetable-oil-powered car at the Green Solutions Expo in Irvine.