Roush CleanTech is now offering propane autogas fuel systems for Ford F-59, F-53, and E-450 stripped chassis, and is the first Ford Qualified Vehicle Modifier (QVM) to offer fuel systems for these platforms. The Ford F-59 commercial step van chassis and the Ford E-450 stripped chassis adapt to numerous fleet delivery applications. The Ford F-53 platform offers a flexible commercial platform for trolleys, lunch trucks and more.