How a bunch of college kids convinced Detroit to cut smog in 1970
The whine of a turbine filled the air. Electric cars scooted around without making a sound. Steam cars chuffed their way to the starting line. Propane, natural gas and other exotically fueled cars waited in the wings. And among the 50 or so experimental and prototype vehicles that participated in the cross-country 1970 Clean Air Car Race, the technology from a handful of them would go on to help make modern cars cleaner… (cont.)

How a bunch of college kids convinced Detroit to cut smog in 1970

The whine of a turbine filled the air. Electric cars scooted around without making a sound. Steam cars chuffed their way to the starting line. Propane, natural gas and other exotically fueled cars waited in the wings. And among the 50 or so experimental and prototype vehicles that participated in the cross-country 1970 Clean Air Car Race, the technology from a handful of them would go on to help make modern cars cleaner… (cont.)