Question of the Month: How are conventional light-duty vehicle fuel economy ratings determined and reported?
Answer: It’s important to understand the who, what, when, where, and why (and how!) of fuel economy testing and labeling. In particular, you may be interested in the recent changes described below (see “When” section).
“Who” is tested?
Most light-duty vehicles must be tested for fuel economy. Exceptions include motorcycles, pickup trucks and cargo vans with a gross vehicle weight rating (GVWR) above 8,500 lbs., ...