This section can help you keep your exhaust system system work out by rights . Learn how mufflers , catalytic converters and O sensors work .

More Auto Topics to Explore :

10 Car Accessories That Could Be Dangerous

What makes certain car accessories unsafe (or even illegal)?

Modern Cars Are Kind of Boring. Why Is That?

Can car companies let known defects go without a recall?

Do car interiors turn toxic in the summer?

Making a Car Last for 300,000 Miles Is Totally Possible — Here’s How

Are cars designed to fail at a certain point?

Will it hurt to spray electrical contact cleaner in an ignition?

What’s the Fastest Car in the World?

Is Your Junk in the Trunk or the ‘Frunk’?

The GM Car That Has No Steering Wheel or Pedals

The Long Strange History of License Plates in the U.S.

Do red cars get pulled over more often for speeding?

Are extended car warranties worth it?

8 Signs to Identify Bad Fuel Pump Symptoms

All You Need to Know About Bad Alternator vs Bad Battery

How to Diagnose and Fix a Brake Fluid Leak

Why the V Engine Remains a Top Choice for Car Enthusiasts

How Gas Compression-ignition Engines Work

Did cars ever have external combustion engines?

10 Cold-weather Motorcycle Accessories

Is all motorcycle apparel made of leather?

What motorcycle accessories will help me stay cool?

How Laser-powered Headlights Work

How Air-Conditioned Seats Work

5 Useful Voice-activated Commands for Your Car

How to Avoid a ‘Hurricane Car’

6 Automotive Parts You Can Easily Recycle

10 Places to Look for Classic Car Parts

How Does Vertical Acceleration Work?

How Car Suspensions Work

How Car Steering Works

How Differentials Work

Why the Stick Shift Is Going Extinct

Gas-powered vs. Electric Cars: Which Is Faster?

How to Clean Fuel Injectors at Home

The Dirty Truth About How Often You Need Your Oil Changed

How to Replace Your Car’s Alternator Belt

How Many Wheels Are in the World?

Why Do Tires Blow Out More in Summer?

Winter Tires Really Do Make a Difference in the White Stuff

How Automobile Ignition Systems Work

A Beginner’s Guide to Ignition Coil Replacement?

Can your car tell you when the light’s about to change?

Learn More

Whether diesel- or gasoline - power cable car spit out out more toxin depends on the pollutant measured , a fresh cogitation says .

ByShelley Danzy

In a motortruck twist rival , extravagant clouds of diesel engine smoke are a byproduct of the truck ’s functionality . But ember rollers have take this idea from the county fair to the public roads – all in the name of have people angry .

10 Popular Car Modifications

ByCherise Threewitt

You see it every time smoke billows from your car ’s exhaust piping . There ’s no denying that vehicles are major contributors to atmosphere pollution . But how much are they responsible for for ?

ByLinda C. Brinson&Francisco Guzman

10 Car Accessories That Could Be Dangerous

To cut your cars emissions , you could help its catalytic convertor oeuvre more efficiently by preheat it , or you could inject a urea solution into your fumes pipe . Learn what you may do to subdue your car ’s emissions in this article .

ByHowStuffWorks.com contributor

It seems like a coherent answer to the clime crisis : capture the carbon dioxide that our car emit . Is it that simple ? And what do sand and silica have to do with it ?

What makes certain car accessories unsafe (or even illegal)?

ByJosh Clark

I have a dirt cycle and the exhaust pipe has this bounteous hump in it near the engine . What is the bulge for ?

Every car out there has a muffler – it execute the crucial Book of Job of turn thousands of explosions per bit into a quiet purr . Mufflers use some nerveless technology to dim the thunder of an locomotive . instruct the principles that make it work .

Modern Cars Are Kind of Boring. Why Is That?

By Karim Nice

A catalytic converter is one of the most important parting of a railway car ’s emission ascendancy system . It treats the fumes before it leaves the car and removes a mountain of the pollution . Learn how they operate .

By Karim Nice , Charles W. Bryant&Sascha Bos

Can car companies let known defects go without a recall?

Exhaust emissions trial check for the absence of a catalytic convertor or a misfunction one during an emission review . Read on to learn how you may find out if your catalytic converter has give way .

An oxygen sensor in a gondola is a very important part of making your railway locomotive lead smoothly . Learn what it does and what can materialise if your oxygen detector fails .

Do car interiors turn toxic in the summer?

Making a Car Last for 300,000 Miles Is Totally Possible — Here’s How

Are cars designed to fail at a certain point?

Will it hurt to spray electrical contact cleaner in an ignition?

What’s the Fastest Car in the World?

Is Your Junk in the Trunk or the ‘Frunk’?

The GM Car That Has No Steering Wheel or Pedals

The Long Strange History of License Plates in the U.S.

Do red cars get pulled over more often for speeding?

Are extended car warranties worth it?

8 Signs to Identify Bad Fuel Pump Symptoms

All You Need to Know About Bad Alternator vs Bad Battery

How to Diagnose and Fix a Brake Fluid Leak

Why the V Engine Remains a Top Choice for Car Enthusiasts

How Gas Compression-ignition Engines Work

Did cars ever have external combustion engines?

10 Cold-weather Motorcycle Accessories

Is all motorcycle apparel made of leather?

What motorcycle accessories will help me stay cool?

How Laser-powered Headlights Work

How Air-Conditioned Seats Work

5 Useful Voice-activated Commands for Your Car

How to Avoid a ‘Hurricane Car’

6 Automotive Parts You Can Easily Recycle

10 Places to Look for Classic Car Parts

How Does Vertical Acceleration Work?

How Car Suspensions Work

How Car Steering Works

How Differentials Work

Why the Stick Shift Is Going Extinct

Gas-powered vs. Electric Cars: Which Is Faster?

How to Clean Fuel Injectors at Home

The Dirty Truth About How Often You Need Your Oil Changed

How to Replace Your Car’s Alternator Belt

How Many Wheels Are in the World?

Why Do Tires Blow Out More in Summer?

Winter Tires Really Do Make a Difference in the White Stuff

How Automobile Ignition Systems Work

A Beginner’s Guide to Ignition Coil Replacement?

Can your car tell you when the light’s about to change?

Diesel Isn’t Always a Worse Polluter Than Gasoline

How Coal Rollers Work

How Much Air Pollution Comes From Cars?

What can you do to reduce your car’s emissions?

Can we make tailpipes that capture CO2?

Why is there a bulge in the exhaust pipe of my dirt bike?

How Mufflers Work

What Does a Catalytic Converter Do and Why Do People Steal Them?

How do I know if my catalytic converter has failed?

How does the oxygen sensor in a car work?