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Can the Car Optimization King Really Save Fuel?

3 Answers
SanAddyson
09/06/25 2:29am
No, the effect is very minimal. Automotive Fuel: Fuel generally refers to substances that can convert their stored chemical energy into thermal energy through chemical reactions (combustion). Currently, the primary fuels used in automobiles are gasoline and diesel. With the increasing number of vehicles year by year, the environmental pollution caused by vehicle emissions and the gradual depletion of petroleum resources cannot be ignored. As a result, various alternative fuels have been increasingly widely adopted. Conventional Automotive Fuels: Gasoline and diesel are the most commonly used fuels for automobiles today. Obtained through petroleum refining, gasoline and diesel have high energy density, low cost, resistance to deterioration, and ease of transportation, making them highly suitable for spark-ignition engines and compression-ignition engines.
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MacCourtney
09/18/25 2:36am
With over 20 years of driving experience, I've tried numerous fuel-saving products, including additives like 'Car Optimization King.' It works by cleaning the engine and fuel system to improve combustion efficiency, theoretically saving some fuel—around 5% to 10%. However, the actual effect largely depends on the vehicle's condition. If your car is old with significant carbon buildup, you might see short-term benefits. But for new or well-maintained cars, it's basically useless and a waste of money. The key to fuel efficiency lies in regular maintenance: changing the engine oil and air filter every 5,000 kilometers, keeping tire pressure at the standard level, and driving smoothly to avoid sudden braking or acceleration. Additives are just a supplement; focusing on these basics is more effective for saving fuel and ensuring safety. Instead of wasting money on additives, investing in driving courses to learn techniques is a more cost-effective long-term solution.
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EmersonLynn
11/01/25 3:02am
As a frequent long-distance driver, I've personally used Car Optimizer King. It claims to save 15% on fuel, but after three months of actual measurement, it only saved about 5%, with even larger error margins making it unreliable. In terms of cost, a bottle costs dozens of yuan per month, while the fuel savings amount to just over ten yuan, resulting in a net loss. Such additives can clean fuel injectors in the short term, but their long-term effects diminish, and they may even cause engine vibrations due to incompatibility. For real fuel savings, I recommend focusing on daily habits: travel light to avoid carrying heavy loads, use the air conditioner in energy-saving mode, and plan routes to reduce idling. These free methods are more reliable. Additives can be treated as experimental tools at best—don’t pin too much hope on them to avoid being scammed.
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