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  2. Should I warm up my car before driving on frigid winter days ...

    www.aol.com/warm-car-driving-frigid-winter...

    Batteries tend to perform best at about 70 degrees, according to Car and Driver. When temperatures fall, battery performance degrades, with some owners reporting a 10% to 20% reduced range when ...

  3. According to the Energy Department, turning thermostats back 7 to 10 degrees for eight hours a day can save as much as 10% a year on homeowners' heating costs. And the heating system doesn't work ...

  4. FTP-75 - Wikipedia

    en.wikipedia.org/wiki/FTP-75

    The engine begins warm and air conditioning is not used. Ambient temperature varies between 68 °F (20 °C) to 86 °F (30 °C). The cycle represents an 8.01 mile (12.8 km) route with an average speed of 48.4 miles/h (77.9 km/h), maximum speed 80.3 miles/h (129.2 km/h), and a duration of 596 seconds.

  5. Ohio temperatures will be nearly 20 degrees above normal ...

    www.aol.com/ohio-temperatures-nearly-20-degrees...

    Sunny highs are forecast in the mid 70s today, tomorrow and Wednesday. Ohio temperatures will be nearly 20 degrees above normal until Wednesday afternoon Skip to main content

  6. Template:Climate chart/How to read a climate chart - Wikipedia

    en.wikipedia.org/wiki/Template:Climate_chart/How...

    The blue numbers are the amount of precipitation in either millimeters (liters per square meter) or inches. The red numbers are the average daily high and low temperatures for each month, and the red bars represent the average daily temperature span for each month. The thin gray line is 0 °C or 32 °F, the point of freezing, for orientation.

  7. 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.

  8. Cold start (automotive) - Wikipedia

    en.wikipedia.org/wiki/Cold_start_(automotive)

    Low temperatures cause engine oil to become more viscous, making it more difficult to circulate the oil. Air becomes more dense the cooler it is. This affects the air-fuel ratio, which in turn affects the flammability of the mixture. Fuel becomes thicker because the paraffin wax in the fuel is thicker at low temperatures (most common in diesel ...

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