Book excerpt: A compilation of Paul Ireland's popular science articles. Based on in-depth research carried out at Manchester University, and featuring real data and practical descriptions, the collection investigates how classic engines respond to modern petrol/gasoline. Paul Ireland's years of experience and no-nonsense scientific approach will help you get the best from your classic car-so you will be able to experience the pleasure of driving instead of worrying about breaking down! Want to improve your classic car's performance and longevity? Book jacket.