The feds have delivered two options for future window stickers, and one with a prominent letter grade has riled automakers and dealers -- largely because popular cars and trucks would get a C or ...

A government proposal may add letter grades to showroom window stickers on new cars and trucks to reflect a vehicle’s overall fuel economy and greenhouse gas emissions.

I recently saw a sticker on the side window of a car in Clark County. The letters “STD” were large and prominent. It took me a minute to remember that STD stood for sexually transmitted disease.