Exhaust gas that they produce smaller quantities of toxic pollutants (e.g. oxides of nitrogen) than petrol and diesel engines of the same power. They produce larger quantities of carbon dioxide but less carbon monoxide due to more efficient combustion. Researchers from the University of California, Los Angeles School of Public Health say preliminary results of their statistical study of children listed in the California Cancer Registry born between 1998 and 2007 found that traffic pollution may be associated with a 5% to 15% increase in the likelihood of some cancers. A World Health Organization study found that diesel fumes cause an increase
1965 24 Hours of Le Mans the previous year’s race when Mike Rothschild had been overcome by exhaust fumes. After seeing off the Fords, the Ferraris also started having problems. First to fall was the Maranello car. An exhaust broke and Bonnier, choking from the fumes, bought the car in from third to retire as night fell. The gearbox of Parkes/Guichet got jammed in fifth gear. During the night, all of the P2s got delayed by cracks in their brake discs, which in turn gave problems in suspension, each losing 30-60 minutes or more in getting the issues fixed. The Cobras had been running very well