How It Works

 
2015 Audi A8’s sequential turn signal

How much does it cost to use your turn signals?

We'll state it upfront: it doesn't cost a lot to use turn signals, so drivers should absolutely take advantage of them. With that out of the way, the video above goes through an incredible amount of detail to show how much energy turn signals consume, and how much it costs drivers to activate them... read more

9 hours ago by
 
Engineering Explained talks about octane and cetane ratings

What is an octane rating and what does it mean?

You pull up to the pump and you are presented with a few choices, and we're not talking about different fuel types here. We're talking, of course, about octane ratings. Those... read more May 12, 2018 by


 
Why the Ford flathead V-8 engine died

Why Ford's flathead V-8 engine died

Ford's famed flathead V-8 was revolutionary when the automaker put the engine into production in 1932. It brought the V-8 to the mass market and ready power to hot rodders... read more May 11, 2018 by


 
Audi is eliminating turbo lag with electric superchargers

Here's how Audi uses electric compressors to eliminate turbo lag

Automakers have started using electric compressors to help eliminate lag in their turbocharged engines. The first with the technology was Audi, which introduced it in its SQ7... read more May 1, 2018 by


 
AMMO detailing tips to rid a car of salt

Spring cleaning: how to remove winter salt from your car

After an interminable winter, spring has sprung...finally. For many car buffs across the country, it's time for spring cleaning. As part of its "Drive + Protect" series, AMMO... read more April 27, 2018 by


 
Delphi dynamic skip fire technology

How dynamic skip fire tech can cut V-8 fuel use up to 20 percent

The dynamic skip fire system developed by Silicon Valley startup Tula Technology is set to make its debut in the 2019 Chevrolet Silverado and 2019 GMC Sierra, promising big... read more April 21, 2018 by


 
Should you start in second gear?

Should you start from a stop in second gear?

Drivers have various reasons for starting in second gear, especially with a manual transmission. Perhaps first gear is too short, or snowy road conditions require lighter... read more April 20, 2018 by


 
How Audi eliminates body roll

Here's how Audi is eliminating body roll

Too much body roll is never a good thing. To tighten things up further, Audi has introduced a system featuring two electronic sway bars to nearly eliminate body roll. And who... read more April 13, 2018 by


 
How do centrifugal superchargers work?

How do centrifugal superchargers work?

Your car arrives from the factory. Bolted under the hood is an engine that makes modest power, and it does so by breathing just fine on its own. It could make more power... read more March 31, 2018 by


 
Volkswagen TDI 'clean diesel' television ad screencap

How did Volkswagen's diesel defeat device work?

Every media outlet in the world covered Volkswagen's tangled web of lies and deceit as "Dieselgate" opened up and spewed the truth nearly three years ago. Its consequences... read more February 28, 2018 by


 
Mercedes-Benz F1 engine efficiency

Mercedes created the world's most efficient racing engine

Mercedes-Benz dominated Formula One in 2017, and part of its success was no doubt due to its latest F1 powertrain. The big news surrounding the engine is the fact it achieves... read more February 27, 2018 by


 
How to break in a new limited-slip differential

How to break in a new limited-slip differential

Jason Fenske from Engineering Explained is starting to wrench on his Honda S2000 project car. One of the latest areas of the car he's attacking is the rear end. His yellow... read more February 24, 2018 by


 
Torque explanation from Engineering Explained

What's the difference between horsepower and torque?

We toss the words "horsepower" and "torque" around pretty often in the automotive industry, but perhaps the meaning of both gets lost along the way. Never fear, Engineering... read more February 23, 2018 by


 
Engineering Explained turbochargers vs superchargers

Which is better: a supercharger or turbocharger?

There are two relatively simple options to boost (pun intended) horsepower in a vehicle: superchargers and turbochargers. But, which is better? Once again, Jason Fenske of... read more February 21, 2018 by


 
Engineering Explained talks about high-revving engines

Why can some engines rev to 9,000 rpm?

You blip the throttle and your engine revs rise. It's a fun game that can put a smile on your face as you wait for a red light to change to green. It doesn't matter if it's a... read more February 19, 2018 by


 
Why do horsepower and torque cross at 5,252 rpm?

Why do horsepower and torque cross at 5,252 rpm?

We've talked in the past about the relationship between horsepower and torque. They work together, and horsepower needs torque to make you and your car happy. There's one... read more February 9, 2018 by


 
 

 
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