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www.fueleconomy.gov
Photograph of Cars
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 Why is Fuel
Economy
Important?
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2000 Bifuel (Natural Gas) Vehicles
Model
MPG
(city)
MPG
(hwy)
Annual
Fuel
Cost*

Greenhouse Gas
Emissions
(tons/yr)*
 Greenhouse gas (GHG) emissions from your car may contribute to climate change. Cars with better gas mileage emit less greenhouse gases. Click for more info.
EPA
Air
Pollution
Score
From 0 to 10 (best)
 The EPA air pollution score rates cars and light trucks based on how much smog-forming air pollution they emit. Some vehicles are available in multiple emission versions. Click for more info.
Chevrolet Cavalier (Bi-fuel CNG)
4 cyl, 2.2 L, Automatic 3-spd, Gasoline or natural gas 		Gasoline 20 25
$1290
8.30 NA
CNG 18 25
$1913
7.50

Annual Fuel Costs and Greenhouse Gas Estimates are based on 45% highway driving, 55% city driving, and 15000 annual miles.

Assumed Fuel Prices:

  • Regular: 1.89
  • Premium: 2.16
  • Diesel: 2.66
  • CNG: 2.55
  • Electricity: 0.08 per kilowatt hour
  • E85: 3.27
  • LPG: 2.10