Mark Phelan: Chevy would like to forget these - Detroit Free Press

Others limped onto the road when management decided Chevrolet had to offer a vehicle, but GM didn't invest enough to do it right. • 1923 Copper-cooled Chevrolet: The best thing you can say about this ill-conceived idea is that Chevy quit building it fast. Only 500 Chevrolet M-series cars with the air-cooled 135-cubic-inch four-cylinder were produced. Engineering genius Charles F. Kettering -- also responsible for the electric starter, unleaded gasoline, diesel locomotive engines and Freon for air-conditioning and refrigeration -- wanted to build a small, light engine that was cooled by blowing... General Motors would not build another air-cooled engine until the star-crossed Chevrolet Corvair in the 1960s. • 1960-69 Corvair: The Corvair was a noble idea that became synonymous with Detroit's failures. Chevrolet's first attempt to build a sophisticated, fuel-efficient compact car, it was an epic public relations flop. Chevrolet sold 1. 8 million Corvairs. • Every minivan Chevrolet ever built: Building a great minivan can't be easy. If it were, Chevrolet would not have failed catastrophically and repeatedly for nearly 20. Source: archive.freep.com