CFR Engines Inc. (CFR®) is a leading, global manufacturer of fuel rating test instruments and equipment. For over 95 years, CFR made-in-USA products have provided value and confidence in Gasoline and Diesel fuel quality. XCP® TECHNOLOGY provides computer-based accuracy and process accountability. Your first choice in fuel testing globally with CFR F1/F2 for Octane (D2699/D2700), CFR F5 for Cetane (D613), CFR Ignition Quality Tester (IQT®) for Cetane (D6890), and CFR Continuous Testing System (CTS) for Online Direct Comparison (D2885). CFR continues its tradition with advanced technology, robust design, and strict manufacturing processes.