Diesel or gasoline engine: Which is better for driving during the winter?

It's no secret that AWD and 4WD vehicles are best for the winter, but when it comes to diesel or gas engines, which is better ...

Vegetable oil as a motor oil substitute? It's been tested, here's how well it worked

Putting vegetable oil in a car engine is a terrible idea and should never be done, or at least that's what some experts say.
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What Your Engine Oil Color Is Trying to Tell You (Before It’s Too Late)

It might seem like a small detail, but the color of your engine oil can speak volumes about what’s going on inside your car.