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4 Things You Think You Understand about Cars but Don't Really

By Edited Oct 7, 2015 0 0

We all think we are experts when it comes to cars.  We have been driving for many years and we are filled with facts and figures, knowledge and experience.  However, there are a few things that may surprise you. Here are a few:

You have to warm your car up in cold weather

It used to be the case that we had to sit and wait for 10 minutes plus warming up our car engine to get it working properly. Nowadays, most cars have fuel injection. The right amount of fuel is pumped into the engine for the current temperature. It now takes at most a minute or so for most cars to be able to work optimally and get the fluids flowing.

Electric cars don’t produce pollution

It is true that electric cars don’t have an exhaust pipe. They don’t directly put pollution into the atmosphere. However, the energy to run the car has to come from somewhere. Invariably it comes from the local electricity company. It is unlikely that they use significant hydroelectric power or solar power as a means to produce the electricity.  The power company will no doubt be producing pollution and therefore your car is also producing pollution.

Shooting a bullet of the car’s fuel tank will cause an explosion

We all have this notion that a bullet fired at the fuel tank will cause it to blow up. We’ve seen it happen so many time in movies that we think it is a given. However, research shows that it is unlikely to happen. For petrol to ignite it needs both oxygen and enough heat. When a bullet is fired the bullet leaves an ignited situation in the gun, but is normally not hot enough when it gets to the fuel tank to cause the fuel to ignite.  The reality is also that an empty fuel tank is more likely to explode than a full fuel tank because there will be more oxygen inside. This is just another myth created for the convenience of movie drama; just like car doors protecting cops from bullets when they hide behind them.

The faster you go the less fuel you use

I have had many people tell me that driving fast is fuel-efficient. Studies have shown that traveling at a consistent speed of 50 mph is the most efficient way to drive. This will lead to cause less wear on the engine and will get maximum miles per gallon. Not the best news for those the race down motorway at 90 mph, but great for us conservative drivers crawling along in the slow lane.

. . .

So there are a few myths dispelled for you. Has anyone else got any commonly accepted facts or myths about cars that are not actually true? I’d love to hear any that are actually useful.



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