High fuel prices cut into the budgets of most drivers. As gasoline surpassed $4/gallon, 28% of enthusiasts claimed they would spend less on modifications if prices increased another $.50/gallon. Alternative Fuel Vehicles (AFVs) are more common than people may recognize. Over 11 million AFVs have been produced. They have also held a steady role providing the muscle behind corporate and municipal fleets for the better part of two decades. Depending on application, some AFVs illustrate no discernable decrease in performance in comparison to their petroleum counterparts and in many ways offer benefits.