SPICE UP is an engine oil additive made from grains and minerals. This product is able to be used for various engines of vehicles, generators and others and it will improve fuel efficiency by 10% at the average (*The rate of improvement of a route bus marked 13.8%). The usage is very simple, please just open the oil filler cap and put SPICE UP after a warm-up of the engine for a minute. You can buy this product at the online store of TEAM RESCUE WAX.