If it is one car - you would use "The car's beams" - If it is more than one car, you would use "The cars beams"
I would use a tape measure to measure a car.
You would have to use propane. If it were possible to use natural gas (methane), the car would have to be re-calibrated to use it.
In the US we would use pounds.
what method would I use to determine the difference between hybrid car verses gas car
A person would generally use cheap car shipping when they have purchased a car from another country, usually overseas, and they need to bring it back to the US.
A person would want to use a car window shade to keep the vehicle from getting too hot. A person would also want to use a car window shade to keep the sun off a child.
I would use my judgment.
A meter.
Scientists use Kilometers to measure distance traveled by a car
centimeters
To measure a car's length, I would try yards or feet. Maybe both. It mostly depends on the legnth of a car. A stretch limo would use yards while a VW Bug would probably be feet. For an average car, though, yards.