In this question and answer video, Aaron answers a question about gasoline versus diesel fuels. Why is diesel more efficient? It comes down to physics and the properties of both the fuels and the engines that use them. Check it out.
An automotive enthusiast for most of his adult life, Aaron has worked in and around the industry in many ways. He is an accredited member of the Rocky Mountain Automotive Press (RMAP), the Midwest Automotive Media Association (MAMA), the Texas Auto Writers Association (TAWA), and freelances as a writer and journalist around the Web and in print. You can find his portfolio at AaronOnAutos.com.