Products & Services Petroleum Products Hartland Fuel Products offers a full line of diesel fuel, gasoline, and racing fuel. These include premium grades, bio-diesel fuel, cold weather diesel, and other specialty blends to meet your needs. Contact us and we will help you find the products that will work for your application. Diesel #2 LS Clear and Dyed #2 HS Dyed D Grade DK-45 Premier ™ Diesel Arctic ™ Diesel Soy Diesel Performance Gold™ Gas NL Midgrade Premium Ethanol Blended Product Racing Gas Lubricants