Phase 2 of the heavy-duty truck greenhouse gas emissions and fuel efficiency standards mandated by the EPA and NHTSA are projected to lower CO2 emissions by approximately 1.1 billion metric tons. Fuel consumption will decline as the new rules become tighter.

Aside from the 41 hydrogen fueling stations in California, only five other states offer this type of fuel, with only one station available per state.

The price of crude oil has increased since last year, with regular gasoline increasing 10% and diesel only seeing an increase of 1%, according to the DOE's cost breakdown. Taxes, distribution/marketing, and refining costs have all decreased, with the only exception being a 3% increase in diesel distribution/marketing.

By TruckingInfo