Obama Finalizes Auto Mileage Mandate
Vehicles will have to eventually meet a standard of 54.5 miles per gallon.
The Obama administration issued final rules Tuesday that require a major boost in vehicle mileage standards, highlighting a clash with Mitt Romney as the GOP convention gets under way.
The Transportation Department and Environmental Protection Agency announced joint mileage and carbon emissions rules for model years 2017 through 2025 that will eventually force automakers to meet a standard equivalent to 54.5 miles per gallon.