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2. Fuel saving device - Wikipedia

   en.wikipedia.org/wiki/Fuel_saving_device

   For example, if an automobile typically gets 20 miles per US gallon (12 L/100 km) with a 20% efficient engine that has a 10:1 compression ratio, a carburetor claiming 100 mpg ‑US (2.4 L/100 km) would have to increase the efficiency by a factor of 5, to 100%. This is clearly beyond what is theoretically or practically possible.

3. Fuel efficiency - Wikipedia

   en.wikipedia.org/wiki/Fuel_efficiency

   The displayed fuel economy is 18.1 km/L (5.5 L/100 km; 43 mpg ‑US). A Briggs and Stratton Flyer from 1916. Originally an experiment in creating a fuel-saving automobile in the United States, the vehicle weighed only 135 lb (61.2 kg) and was an adaptation of a small gasoline engine originally designed to power a bicycle.

4. Energy-efficient driving - Wikipedia

   en.wikipedia.org/wiki/Energy-efficient_driving

   Fuel economy at various driving speeds. Maintaining an efficient speed is an important factor in fuel efficiency. [9] [10] Optimal efficiency can be expected while cruising at a steady speed and with the transmission in the highest gear (see Choice of gear, below). The optimal speed varies with the type of vehicle, although it is usually ...

5. Engine tuning - Wikipedia

   en.wikipedia.org/wiki/Engine_tuning

   Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be mutually exclusive; an engine may be de-tuned with respect to output power in exchange for better economy or longer engine ...

6. Real-world mileage standard for new vehicles rising to 38 mpg ...

   www.aol.com/news/real-world-mileage-standard...

   The final rule will increase fuel economy by 2% per year for model years 2027 to 2031 for passenger cars, while SUVs and other light trucks will increase by 2% per year for model years 2029 to ...

7. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   Motor oil may be composed of only a lubricant base stock in the case of mostly obsolete non-detergent oil, or a lubricant base stock plus additives to improve the oil's detergency, extreme pressure performance, and ability to inhibit corrosion of engine parts.

8. Oil pump (internal combustion engine) - Wikipedia

   en.wikipedia.org/wiki/Oil_pump_(internal...

   The leading cause of low oil pressure in an engine is wear on the engine's vital parts. Over time, engine bearings and seals suffer from wear and tear. Wear can cause these parts to eventually lose their original dimensions, and this increased clearance allows for a greater volume of oil to flow over time which can greatly reduce oil pressure.

9. Fuel Freedom International - Wikipedia

   en.wikipedia.org/wiki/Fuel_Freedom_International

   Fuel Freedom International is a multi-level marketing company based in Altamonte Springs, Florida and co-owned by Wendy Lewis and Randy Ray. It sells pills trademarked as MPG-CAPS, which are claimed to improve fuel economy, reduce emissions and increase engine power when used as a gasoline additive.