More Than Fuel Delivery Services Our Fuel management solution represent millions of gallons of fuel spend each and every month. Fuel Logic works with companies and fleet and fuel managers nationwide to maximize their diesel fuel spend. We use this buying power to negotiate the best fuel prices for our customers. We regularly save our customers up to 70 cents a gallon and countless hours. Our fuel consultants are the best in the business with years of experience in both negotiation and fleet management.