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Challenger News

General Challenger

A carburetor was the common method of fuel delivery for most US-made gasoline engines until the late 1980s, when fuel injection became the preferred method. This change was dictated by the...
  1. Crash Test Dummies

    A crash test dummy is a full-scale anthropomorphic test device (ATD) that simulates the dimensions, weight proportions and articulation of the human body during a traffic collision....
  2. Featured

    Tire Speed Ratings

    Tire speed ratings first originated in Europe in the 1960s, as a way to make sure increasingly faster vehicles were equipped with appropriate safe tires. These early speed ratings set the...
  3. How the EPA Tests Vehicles for Mileage

    Fuel economy for vehicles (city, highway and combined) is measured under controlled conditions in a laboratory using a series of tests specified by federal law.The results are displayed for the...
  4. What is Hydroplaning?

    The term hydroplaning is commonly used to refer to the skidding or sliding of a car’s tires across a wet surface. Hydroplaning occurs when a tire encounters more water than it can scatter. Water...
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