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
What Car? What Car? What Car? is a long running United Kingdom monthly automobile magazine and website, currently edited by Steve Huntingford and published by Haymarket Consumer Media. First published in 1973, "What Car?" is intended primarily as a magazine for car buyers rather than dedicated enthusiasts. In addition to first drives and group tests of the latest models, it contains an extensive buyer's guide section to help consumers choose the right car for their needs and provides tips on how to get discounts on cars. In 1978, the magazine held its first "Car of the Year Awards", giving advice on the