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Short Answer: Because it takes power from the engine to operate the A/C compressor. More detailed answer: Under a given load, an engine will operate at a given speed when a certain amount of fuel is provided. If you don't increase the fuel, but you increase the load (by turning on the A/C compressor), something has to give, and the engine operates a bit more slowly. Therefore, you would have to press on the gas just a tiny bit more to get the engine to operate at the same speed, which necessarily means you're using a bit more fuel.
Yes. Cars breathe. They draw air into the combustion chambers to operate. If you cut off the air supply, the engine will stop. Improvements to the engine's breathing will increase power and economy.
a lot of noise when the clearances were allowed to be become excessive in the valve clearance.
carnot engine
Google search engine operate on nonprofit basic.
No they can not operate in outer space.
Excessive revving of an engine causes overpressure in the crankcase. It causes unhealthy expansion in the pistons and the valves.
The company will be publicized more, which in turn will increase visits to the company's website. This will increase traffic to the site and the more popular it will become and its ranking will increase as well.
Engines can become more efficient by refining the processes that operate the engine, better fuel/air mixtures, better power transfer, alternate fuels
If the operator is not concerned with emission regulations he or she may be faced with steep fines. Also an engine that is not within regulations often is not running efficently. This may cause an excessive increase in fuel consumption. If the operator is not concerned with emission regulations he or she may be faced with steep fines. Also an engine that is not within regulations often is not running efficently. This may cause an excessive increase in fuel consumption.
A bad catalytic converter can cause hard starts if it has become clogged. This produces excessive back pressure in the engine.
Blowby is a condition to where you have excessive pressure in the crankcase of an engine usually from worn piston rings. A faulty PCV system can also cause excessive engine blowby.