Horsepower drops happen gradually, but it's measurable. Find out how a DIY check can expose performance changes and help trace the root of mechanical problems.

The mid-engine sports car is an increasingly rare breed, but Lotus still carries the torch with its Emira, which is available with a choice of supercharged V6 or turbocharged inline-four cylinder ...

Checking up on your coolant is easy to forget, but an engine’s coolant is just as important as oil when it comes to your car. Coolant does raises the boiling point of the cooling system in summer, ...