Book excerpt: This is the eBook of the printed book and may not include any media, website access codes, or print supplements that may come packaged with the bound book. Automotive Fuel and Emission Control Systems, Third Edition, isdesigned specifically to correlate with the NATEF program. This comprehensive, up-to-date text covers all aspects of automotive fuel and emissions. It emphasizes diagnosis and troubleshooting, and features tech tips and diagnostic stories throughout. This title meets the needs for a textbook that combines topics in engine performance (ASE A8 content area) and topics covered in the advanced engine performance (L1) ASE test content area. By combining these two complementary subjects into one comprehensive textbook, it is easier for the instructor to teach these topics and is cost effective for the student.