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  2. Antiknock agent - Wikipedia

    en.wikipedia.org/wiki/Antiknock_agent

    An antiknock agent is a gasoline additive used to reduce engine ... (CO) 5 fits this pattern ... which can break down fuel pumps and cause upper cylinder bore wear. ...

  3. Friction modifier - Wikipedia

    en.wikipedia.org/wiki/Friction_modifier

    They are currently used in many engine oils and, more recently, in gear oils. [1] They reduce friction by forming two-dimensional molybdenum disulphide layers on rubbing surfaces. [4] Functionalized polymers, which can be tailored to adsorb specifically on polar surfaces, have been shown to markedly reduce friction and wear. [5]

  4. Motor oil - Wikipedia

    en.wikipedia.org/wiki/Motor_oil

    The motor oil and especially the additives also undergo thermal and mechanical degradation, which reduces the viscosity and reserve alkalinity of the oil. At reduced viscosity, the oil is not as capable of lubricating the engine, thus increasing wear and the chance of overheating.

  5. Idle reduction - Wikipedia

    en.wikipedia.org/wiki/Idle_reduction

    The trucking industry has analyzed the impact of idling on engines, both in terms of maintenance and engine wear costs. Long-duration idling causes more oil and oil filter deterioration and increases the need for more oil and filter changes. Similarly, the longer the idling time, the sooner the engine itself will need to be rebuilt.

  6. Exhaust gas recirculation - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas_recirculation

    Because modern diesel engines often have a throttle, EGR can reduce the need for throttling, thereby eliminating this type of loss in the same way that it does for spark-ignited engines. In a naturally aspirated (i.e. nonturbocharged) engine, such a reduction in throttling also reduces the problem of engine oil being sucked past the piston ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Engine braking - Wikipedia

    en.wikipedia.org/wiki/Engine_braking

    Engine braking is a generally accepted practice and can help save wear on friction brakes. It is even used in some motor sports to reduce the risk of the friction brakes overheating. Additionally, fuel injection engines generally do not use fuel while engine braking. This is known as deceleration fuel cut-off (DFCO).

  9. Man abandons haircut to help officer under attack - AOL

    www.aol.com/man-abandons-haircut-help-officer...

    A man having his hair cut leapt out of the barber's chair and ran to help a police officer who was being wrestled to the ground in a headlock. Kyle Whiting was having a trim at Heron Barbers in ...