On August 4, the White House announced that a final rule setting GHG emissions standards for mediumand heavy-duty trucks is to be formally unveiled by President Obama on August 9. The rule, a joint venture between EPA and the National Highway Traffic Safety Administration, will require a 5% increase in fuel economy annually from car manufacturers for model years 2017 up to 2025. A 3.5% annual increase in fuel economy will be mandated for light-trucks through 2021 and then by 5% per year through 2025.