Diesel Power Challenge VDiesel Power magazine is the most respected diesel performance magazine in the world and the publisher's are on a mission to find the most powerful truck in the U. S. Readers from across North America submitted their modified machines to compete in a three day test known as the Diesel Power Challenge. This year the biggerst names in diesel came to Kentucky and Tennessee to settle the score. They slapped it in gear, squeezed the nitrous, smoked the