EcoCing Corporation - A business founded upon improving public health, quality of life and energy substainability, located in Calgary, Alberta, Canada. Has information on "Dieselization." - http://www.ecocingcorp.com
Tadger Group International - Site has information on the Tadger and how it helps to reduce emissions, increase horsepower and improve mileage of gasoline and diesel engines. - http://www.tadgergroup.com
Rotec Design Ltd. - Design and development company specializing in reducing diesel emissions from in service buses and trucks. - http://www.rotecdesign.com
Emissions Technology - Manufacturers of emission control products for diesel engines. - http://emissionstech.co.uk
Red Mountain Engineering - Manufacturer of Smoke Check 1667 a diesel emissions testing solution. - http://www.redmtnengr.com
V&F Gas Analysis Systems, Inc. - Providing mass spectrometers to the automotive, process and quality control industries throughout North America, for gas emissions and research & development. - http://www.vandfna.com/