1. Aromatics reduction and cetane improvement of diesel fuels;Lee;Fuel Reformulation,1993
2. Fuel projections and technology closer to reality;Unzelman;Fuel Reformulation,1993
3. Formulating a response to the Clean Air Act;Khan;Chemtech,1996
4. US EPA, Diesel Fuel Quality: Advance Notice of Proposed Rulemaking, EPA420-F-99-011, Office of Mobile Sources, May 1999.
5. EIA/AER, Annual Energy Review 1998. Energy Information Administration, US Department of Energy, Washington, DC, 1999.