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2. List of gasoline additives - Wikipedia

   en.wikipedia.org/wiki/List_of_gasoline_additives

   The EPA also regularly reviews the health and net economic benefits of Clean Air Act policies. [9] The act also requires deposit control additives (DCAs) be added to all petrol. This type of additive is a detergent additive that acts as a cleansing agent in small passages in the carburetor or fuel injectors.

3. Techron - Wikipedia

   en.wikipedia.org/wiki/Techron

   Techron is a patented fuel additive developed by Chevron Corporation and sold in its fuel operations (including Texaco and Caltex).It contains a polyether amine-based detergent, which is purported to dissolve deposits in automotive engines and prevent them from building up.

4. Crankcase ventilation system - Wikipedia

   en.wikipedia.org/wiki/Crankcase_ventilation_system

   Many small four-stroke engines such as lawn mower engines and electricity generators simply use a draught tube connected to the intake system. The draught tube routes all blow-by gases back into the intake mixture and is usually located between the air filter and carburetor.

5. List of additives used for fracking - Wikipedia

   en.wikipedia.org/wiki/List_of_additives_used_for...

   The differences between additives for fracking in different countries are the type of chemicals used (hazardous, non-hazardous), the disclosure of chemicals and the composition of fracturing fluid. In 2010, Halliburton announced the creation of food additive based hydraulic fracturing fluid in response to calls for transparency and demand for a ...

6. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   Calcium sulfonates additives are also added to protect motor oil from oxidative breakdown and to prevent the formation of sludge and varnish deposits. Both were the main basis of additive packages used by lubricant manufacturers up until the 1990s when the need for ashless additives arose.

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