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  2. Automotive air conditioning - Wikipedia

    en.wikipedia.org/wiki/Automotive_air_conditioning

    New cars produced in the early 1990s contained the new refrigerant in their air conditioning systems. Owners of older cars with R-12 systems would either have to invest in an R-12 to R-134a conversion system, buy a new car, or find a qualified technician to recharge their older R-12 system. R-134a has been used in cars for almost 30 years.

  3. Secondary air injection - Wikipedia

    en.wikipedia.org/wiki/Secondary_air_injection

    The pump's air intake is filtered by a rotating screen or the vehicle air filter to exclude dirt particles large enough to damage the system. Air is delivered under light pressure to the injection point(s). A check valve prevents exhaust forcing its way back through the air injection system, which would damage the pump and other components.

  4. Does Driving Without AC Actually Save Gas? - AOL

    www.aol.com/does-driving-without-ac-actually...

    Sure, you can sweat it out without turning on a vehicle's air conditioning. But is it worth the sacrifice? The post Does Driving Without AC Actually Save Gas? appeared first on Reader's Digest.

  5. Scroll compressor - Wikipedia

    en.wikipedia.org/wiki/Scroll_compressor

    A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. [1] It is used in air conditioning equipment, as an automobile supercharger (where it is known as a scroll-type supercharger ) and as a vacuum pump .

  6. 14 Ways to Keep Cool Without AC

    www.aol.com/14-ways-keep-cool-without-110300977.html

    Wearing clothing that repels heat and permits airflow can help you stay cool without running the air conditioner. Avoid tight-fitting clothes and fabrics that attract and trap heat and moisture ...

  7. Manifold vacuum - Wikipedia

    en.wikipedia.org/wiki/Manifold_vacuum

    Manifold vacuum, or engine vacuum in a petrol engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere.. Manifold vacuum is an effect of a piston's movement on the induction stroke and the airflow through a throttle in the intake manifold of an engine.

  8. The 5 Best Proteins to Eat If You’re Taking a Weight-Loss ...

    www.aol.com/5-best-proteins-eat-youre-001354105.html

    This foldable storage shelf is on sale for under $60: 'It is like a magic act' AOL. Shop the best New Year's Amazon deals for big savings on Apple, Ninja, Keurig and more. See all deals.

  9. Category:AC vehicles - Wikipedia

    en.wikipedia.org/wiki/Category:AC_vehicles

    This category contains automobiles made by the AC car company. Pages in category "AC vehicles" The following 18 pages are in this category, out of 18 total. ...