Diesel engine
Diesel engines may have fallen out of favour recently but they will always be more frugal than petrol engines
Opinion

Under the skin: Why diesel engines will always be more efficient than petrol

Though both fuels come from crude oil, diesel engines' compression ignition and no throttle gives them the edge

Under the skin: Why diesel engines will always be more efficient than petrol
Integrated plug-and-play electric drivetrains should help make EVs more affordable.
News

Under the skin: Why mix and match is a good idea for electric powertrains

Balancing affordability with profits is a major challenge facing EVs, but integrated plug-in electric powertrains can save everyone money

Under the skin: Why mix and match is a good idea for electric powertrains
Petrol direct injections
New, high-pressure injection systems are making petrol engines even cleaner
News

Under the skin: Why more pressure means cleaner petrol engines

Particulates are the bane of direct fuel injection engines, but ramping up the pressure and other innovations can solve this

Under the skin: Why more pressure means cleaner petrol engines
Snowy tyre
Four-wheel drive is no substitute for the science behind winter tyres
News

Under the skin: Why seasonal tyres will help you get a grip

Reduced rubber width and increased softness are just some of the factors that give winter rubbers the edge over summer ones

Under the skin: Why seasonal tyres will help you get a grip
News

Under the skin: Why H2O is key for a healthy engine

Cooling down your motor with water injections increases power and combustion efficiency, as well as minimising harmful oxides

Under the skin: Why H2O is key for a healthy engine
News

Carbon Lighter: under the skin of the BAC Mono R

A lighter, stronger, more energy-efficient carbonfibre has spawned a very special BAC Mono

Carbon Lighter: under the skin of the BAC Mono R
Brake disc
Brakes have to convert huge amounts of kinetic energy into heat to stop a car from speed
News

Under the skin: The hidden technology of brakes

From parking versions to disc types, brakes are a crucial bit of tech for your car. We survey the different sorts

Under the skin: The hidden technology of brakes
Alvant wheel motor rotor
Alvant is developing wheel motor rotors from AMC that are 40% lighter, reducing rotating and unsprung mass
News

Under the skin: The weight-shedding innovations of AMCs

The aluminium alloy and carbonfibre blends will be coming soon to a powertrain near you, taking over from traditional materials like steel, aluminium and carbonfibre

Under the skin: The weight-shedding innovations of AMCs
Gears with oil
Gear oil is the magical fluid without which modern drivetrains couldn't exist
News

Under the skin: How transmission oil safeguards your gears

Balancing lubricating and allowing friction, a good gear oil gets performance with minimal wear

Under the skin: How transmission oil safeguards your gears
Engine lube
Viscosity modifiers are the ingenious secret ingredients that put the 'multi' into multigrade oil
News

Under the skin: How car engine lubricants are evolving

Even the most dedicated petrol-head often snubs lubricating oil, but this under-appreciated fluid plays a critical role

Under the skin: How car engine lubricants are evolving
ABS: snow-covered road simulation
ABS is one of the most brilliant technologies of all and gives cadence braking to everyone without them even knowing
News

Under the skin: Why you can always count on ABS

Pioneered by Mercedes, Antiblockiersystem technology makes your car behave like a human when the going gets slippy

Under the skin: Why you can always count on ABS

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