Hybrid cars explained and why you might buy one

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What are hybrid cars, how do they work and would one suit you? Find out everything you need to know in our useful guide.

A hybrid car is one that uses more than one means of propulsion – that means combining a petrol or diesel engine with an electric motor.

The main advantages of a hybrid are that it should consume less fuel and emit less CO2 than a comparable conventional petrol or diesel-engined vehicle.

How do hybrid cars work?

Hybrid cars have a conventional engine, an electric motor, and a battery. There are three different types of hybrids and each works in a different way.

Parallel hybrid cars

These are the most common type of hybrid, and the Toyota Prius is the most widely known example. The car’s wheels can be powered in three different ways: either directly by the engine, by the electric motor alone, or by both power sources working together.

When pulling away, and at speeds up to 25kph, the Prius only uses the electric motor for power, making it very economical for stop-start city driving. The petrol engine cuts in as speed increases, and it is used most during hard acceleration.

Whenever you decelerate or use the brakes, the regenerative braking system produces electricity and stores it in the battery for use later on. The battery is big enough that the electric motor can power the car for up to 2km.

Toyota also uses this system in the Yaris, Rav4, Ravis Cross, Kluger, and Corolla, and cars from its luxury brand Lexus work on the same basis.

Range extender hybrid cars

These only use their conventional engine to produce electricity for a generator that recharges the batteries. The engine never drives the car, it only produces energy for the electric motor.

The BMW i3 with Range Extender is one of the most popular examples. Hybrids are also categorized as either strong or mild depending on the amount of battery power they have. With more battery capacity, strong hybrids can drive further than mild ones on electric power only.

Plug-in hybrids

As the name implies, this type of hybrid can be plugged into an electric outlet to recharge their batteries, as well as being charged on the move.

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Effectively, they are a halfway house between conventional hybrids and full electric vehicles. Although they have a conventional engine, they also have larger batteries than regular hybrids and can drive longer distances on electric power alone – up to 60km in some cases.

There are a growing number of plug-in hybrids on offer, including the Mitsubishi Outlander, Hyundai Ioniq, BMW 330e, Range Rover, Land Rover Defender and Volvo XC60.

What are the benefits of a hybrid car?

Driving a hybrid is similar to driving a conventional automatic car, so there’s little compromise on performance.

Most strong hybrids will have a choice of power modes, too, ranging from eco to power, enabling the driver to choose maximum efficiency or performance depending on the driving conditions.

Bentley Bentayga Hybrid 2021 review 6

Range anxiety isn’t an issue and you don’t need a charging point because hybrids charge up their own batteries.

Should I buy a hybrid car?

A hybrid car will suit you if you do most of your kays in and around town because you’ll gain the most benefit from running on electric-only power, which is effectively free travel.

If you do frequent short trips and don’t need the extra flexibility of a hybrid, then you may be better off with an electric car, which will give you cheap urban travel and no tailpipe emissions.

However, if you do a lot of freeway driving you may be better off with an efficient diesel car. It’s likely to provide better high-speed fuel economy than a hybrid because motorways and high-speed roads are the types of road on which hybrids are least efficient.

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