CARS.COM — For some drivers, the size of the fuel tank matters more than the size of the engine. The bigger the tank, the reasoning goes, the fewer times you will have to stop for gas. Related: 2017 ...

The other day I was testing a CNG-powered bi-fuel pickup and was stumped when the truck’s “empty” 17 GGE CNG tank would only hold 12 gallons. After discussions with both CNG tank suppliers and CNG ...

NASCAR Cup Series cars use a standard 18-gallon fuel tank — this capacity is set by NASCAR itself, and anyone participating in its races must comply with this regulation. This tank size is a bit ...

Sales of natural-gas-powered trucks have leveled off since the drop in oil and diesel prices, but fleets already using the fuel continue to buy them, especially compressed natural gas. What are some ...