Market Size of Diesel Fueling Across Truck Classes


To determine the market size of diesel fueling across truck classes in order to compare the size of the California market with that of the US market. The truck classes could either be classes 3 to 8 or medium duty and heavy-duty. The diesel fueling market size for drayage trucks is also to be looked at as a separate category.

Early Findings

  • According to, there are estimates of 15.5 million trucks operating in the United States. Of this 15.5 Million, 2 Million are tractor trailers.
  • These trucks consume 53.9 billion gallons of fuel for business purposes.
  • As per estimates, 43% of US commercial trucks are powered by diesel.
  • Analyzing the market of class 3-8 trucks, it has been also derived that out of the nearly 11 million diesel-powered commercial vehicles active on the roads of the United States, 43% are presently powered by the newest generation of diesel technologies.
  • The percentage of these new generation diesel trucks has nearly doubled from just 25.7% of the fleet in 2015.
  • According to numbers published by the government of California, diesel fuel is considered the second largest transportation fuel used in California, representing 17% of total fuel sales.
  • As per latest available estimates for 2015, 4.2 billion gallons of diesel was sold in the state including off-road diesel.
  • According to the California Energy Commission, nearly all heavy duty-trucks in the state have diesel engines.
  • As far as the percentage share of trucks within the total vehicle market of California is concerned, in the first half of 2018 new light truck sales exceeded car registrations in California, 54.1% to 45.9%.
  • According to the California New Car Dealers Association, more than 1 million new vehicles were sold in the first half of 2018.

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