Federal Government

U.S. Environmental Protection Agency (EPA)
Office of Transportation and Air Quality (OTAQ)
Voluntary Diesel Retrofit Program
U.S. Department of Energy (DOE)
U.S. Department of Transportation (DOT)

State Organizations
California Air Resources Board (ARB)
Northeast States for Coordinated Air Use Management

Industry Organizations
Association for Emissions Control by Catalyst (AECC)
Institute of Clean Air Companies (ICAC)

Associations & Organizations
The Alliance of Automobile Manufacturers
Association of International Automobile Manufacturers
Automotive Aftermarket Industry Association
Automotive Industry Action Group
Motor And Equipment Manufacturers Association
National Safety Council
Society Of Automotive Engineers
The United States Council For Automotive Research

Other

DieselNet
Manufacturers of Emission Controls Association
Engine Manufacturers Association

OEM SITES

Diesel Engines & Trucks
Briggs & Stratton Corporation - www.briggsandstratton.com
Caterpillar Inc.- www.caterpillar.com
Cummins Inc.- www.cummins.com
DaimlerChrysler Corporation - www.daimlerchrysler.com
Deere & Company - www.deere.com
Detroit Diesel Corporation - www.detroitdiesel.com
Deutz Corporation - www.deutz.de
Hino Motors, Ltd. - www.hino.com
International Engine Corporation - www.nav-international.com
Kohler Company - www.kohler.com/hub/powersystem.html
Komatsu Ltd.- www.komatsu.com
Kubota Engine Corporation - www.kubotaengine.com
MTU - www.mtu-friedrichshafen.com
Onan - www.onan.com
Scania CV AB - www.scania.se
Tecumseh - www.tecumseh.com
Wärtsilä - www.wartsila.com
Waukesha Engine - www.waukeshaengine.com
Yanmar - www.yanmar.com

CARS
ACURA - www.acura.com
ALFA ROMEO - www.alfaromeo.com
ASTON MARTIN - www.astonmartin.co.uk
AUDI - www.audi.com
BENTLEY - www.bentleymotors.co.uk
BMW - www.bmwusa.com
CHRYSLER - www.chryslercorp.com
DAEWOO - www.dm.co.kr
DAIHATSU – www.daihatsu.com
DE TOMASO - www.mangusta.net
FERRARI - www.ferrari.it
FORD - www.ford.com
GM - www.gm.com
HONDA - www.honda.com
HYUNDAI - www.hyundaiusa.com
ISUZU - www.isuzu.com
JAGUAR - www.jaguarcars.com
JEEP - www.jeep.com
KIA - www.kia.co.kr
LAMBORGHINI - www.lamborghini.com
LANCIA - www.lancia.com
LAND ROVER - www.landrover.com
LEXUS - www.lexususa.com
LOTUS - www.lotuscars.com
MASERATI - www.maseratiusa.com
MAZDA - www.mazdausa.com
MERCEDES BENZ - www.usa.mercedes-benz.com
MITSUBISHI - www.mitsucars.com
MORGAN - www.morgan-motor.co.uk
NISSAN - www.nissandriven.com
OPEL - www.opel.com
PEUGOT - www.peugeot.com
PORSCHE - www.us.porsche.com
RENAULT - www.renault.ch
ROLLS ROYCE - www.rollsroycemotorcars.co.uk
ROVER - www.rover.co.uk
SAAB - www.saabusa.com
SEAT - www.seat.com
SKODA - www.skoda-auto.cz
SUBARU - www.subaru.com
SUZUKI - www.suzuki.com
TOYOTA - www.toyota.com
TVR - www.tvr-eng.co.uk
VAUXHALL - www.vauxhall.co.uk
VW - www.vw.com
VOLVO - www.volvocars.com