Bizzarrini P538 drivers Edgar Berney and Andre Wicky, but records indicate both retired after three hours with a cooling problem. A second team in a production-based Bizzarrini A3/C, driven by Sam Posey and Massimo Natili, was disqualified after a pit lane violation, possibly while returning with serious frame damage. American Ferrari driver Mike Gammino then commissioned a Lamborghini 4.0-liter V12 powered car, which he raced once. Bizzarrini attempted to build a second, 3.5-litre V12 car for Le Mans, but was unable to complete it before bankruptcy. Beginning in the mid-1970s and continuing at least through the 1990s, former Bizzarrini engineer Salvatore Diomante
Who Killed the Electric Car? come down to $4–6/kg (without carbon sequestering) due to reduction in the price of Natural Gas as a feedstock for steam reforming owing to the proliferation of hydraulic fracturing of shales. A kilo of Hydrogen has the same energy yield as a gallon of gasoline although production currently creates 12.5 kg CO2, 39% more than the 8.91 kg CO2 from a gasoline gallon. General Motors (GM) responded in a 2006 blog post titled "Who Ignored the Facts About the Electric Car?" written by Dave Barthmuss of GM's communications department. In his June 15, 2006 post—published 13 days before the film