- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
- Gasoline FAQ Very thorough and detailed discussion of gasoline
- Phasing Lead out of Gasoline: An Examination of Policy Approaches in Different Countries United Nations Environment Programme and Organisation for Economic Co-operation and Development, 1999
- Effects of MMT in Gasoline on Emissions from On-Road Motor Vehicles in Canada, November 2002 Developed for the Canadian Vehicle Manufacturers’ Association and for the Association of International Automobile Manufacturers of Canada
- Four-stroke Otto Cycle Brief biography of Nicolaus August Otto