The PERC Propane Autogas Calculator offers on-road fleet applications and is part of the company's suite of cost calculator tools. The calculator estimates potential fuel savings and ROI with propane when compared with conventional fuels like gasoline and diesel. The Propane Autogas Calculator along with the Propane Irrigation Engine Calculator and Propane Mower Calculator are available in multiple platforms. The web tools can be operated at propanecostcalculator.com; the calculators can be downloaded as desktop tools; downloadable worksheets can be printed and filled in by hand; and mobile apps are available for Apple and Android smartphones and tablets. Results can be shared via email.