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Motor oil is a lubricant
in various types of internal combustion engines. These include motor
vehicles or Road Vehicles the typical light automobiles (including cars,
SUVs, minivans, pick-up trucks). Heavy automobiles would include Busses,
Trucks and HGVs. Other vehicles, include motorcycles and mopeds,
quad-bikes or ATVs, go-karts, snowmobiles, boats (fixed engine
installations and outboards), ride-on lawn mowers, large agricultural
and construction equipment, trains and airplanes. In engines there are
parts which move very closely against each other at high speeds, often
for prolonged periods of time. Such motion causes friction, absorbing
otherwise useful power produced by the motor and converting the energy
to useless heat. Friction also wears away the contacting surfaces of
those parts, which could lead to lower efficiency and degradation of the
motor. This increases fuel consumption.
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