What do catalytic converters do?

What exactly is a swamp cooler, and why can it beat the heat in Arizona but leave you sweaty and betrayed in Houston? How can an air conditioner run on water, what does humidity have to do with its effectiveness, and could an icy new invention help prevent overloaded power grids? ...  Afficher plus

Could a cheaper, more environmentally friendly refrigerant already exist, and could corporate lobbying be helping keep it out of American air conditioners? Why did the chemicals once hailed as safe alternatives become environmental villains, and are their replacements actually mu ...  Afficher plus

Everyone knows that internal-combustion engines generate exhaust, but what takes it from your engine to the muffler safely? Tune in as Scott and Ben break down the nuts, bolts -- and possible future -- of your car's exhaust system.

For the most part, cars have several common design components -- two headlights, for example, or four wheels -- but why is that? Tune in and learn more about the stories and science behind basic car design in this podcast from HowStuffWorks.com.

In today’s episode I would like to introduce you to some new terms related to cars. There will be a time when you would need to see a mechanic about your car problems and you would need to be able to explain basic things about your car. Hope you enjoy today's episode :) ***GET Y ...  Afficher plus

It's no secret: The automotive world is filled with add-on gadgets, ranging from the incredibly useful to the outer limits of the bizarre. But which ones are the best (or just the weirdest)? Join Scott and Ben as they catch you up on some of the coolest and strangest car gadge ...