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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...

    At the time, warming the car in the winter made sense since it could take several minutes for the right air-fuel mix to reach the engine, without which the vehicle was at risk of stalling or ...

  3. Economy 7 - Wikipedia

    en.wikipedia.org/wiki/Economy_7

    Economy 7 is a differential tariff provided by United Kingdom electricity suppliers that uses base load generation to provide cheap off-peak electricity during the night. Houses using the Economy 7 tariff require a special electricity meter which provides two different readings - one for electricity used during the day, priced higher, and the ...

  4. Talk:Economy 7 - Wikipedia

    en.wikipedia.org/wiki/Talk:Economy_7

    This system used was not economy-7 but an earlier type of tariff that was eventuly replaced for new connections by the economy-7 system. It was called White meter and had a night cycle from 11pm-7am allowing users to load and and set off machines like washing machines by hand at bed-time as well as supplying storage heaters for background heating.

  5. Exhaust heat recovery system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_heat_recovery_system

    The 2016 Chevrolet Malibu Hybrid car features an Exhaust gas Heat Recovery (EGHR) system to accelerate coolant heat up time. This gives faster heat up of the engine coolant which in turn heats up the engine faster. Less fuel is used giving reduced emissions. This will also quicken cabin heating warm up for passenger comfort and window defrosting.

  6. Climate of Chicago - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Chicago

    Many suburban, exurban and rural locations have all-time records that have surpassed 110 °F (43 °C), many of which were set during a heat wave in July 1936, when a massive heat wave engulfed the entire Chicago and northern Illinois region, resulting in eight consecutive days at or above 100 °F (38 °C) at Midway Airport, peaking at 107 °F ...

  7. Economy 10 - Wikipedia

    en.wikipedia.org/wiki/Economy_10

    Economy 10 thus requires a special multi-tariff meter, different from an Economy 7 meter. For example, customers in central Scotland (within the Scottish Power Energy Networks DNO area) are on the following times: 3 hours in the afternoon (1:30 pm - 4:30 pm) 4 hours in the evening (8:30 pm - 12:30 am) 3 hours in early morning (4:30 am - 7:30 am)

  8. Climate of Illinois - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Illinois

    Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 54 occurring annually, which puts much of the state at around 9.7 tornadoes per 10,000 square miles (30,000 km 2) annually.

  9. Energy-efficient driving - Wikipedia

    en.wikipedia.org/wiki/Energy-efficient_driving

    For instance, a small car might need only 10–15 horsepower (7.5–11.2 kW) to cruise at 60 mph (97 km/h). It is likely to be geared for 2500 rpm or so at that speed, yet for maximum efficiency the engine should be running at about 1500 rpm (gasoline) or 1200 rpm (diesel) to generate that power as efficiently as possible for that engine ...