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References from Truck operators' perspectives on use of alternative fuels. Local targets link to admitted publications; unresolved targets remain external evidence.
Unresolved reference
1995 · External reference
Hercules expanding CNG engine applications
1993 · External reference
Breaking ground: technology now follows where market leads
1995 · External reference
NGVs in the U.K.
1994 · External reference
Natural gas makes inroads as auto fuel
1995 · External reference
Unresolved reference
1994 · External reference
Unresolved reference
1990 · External reference
Naturally cleaner
1993 · External reference
Unresolved reference
External reference
Natural gas gets top billing in U.S. energy policy
1994 · External reference
Riding the methane train
1993 · External reference
CNG engine for heavy-duty vehicles
1993 · External reference
