Hybrid Cars CO2 Emissions

Are hybrid cars good for the environment?


How do hybrid cars reduce air pollution? It’s a question of emissions. As a general guide, petrol engines produce the most CO2 gasses and diesel engines produce pollutants, such as NOx, whilst hybrid cars have the lowest emissions.

Hybrid cars and their effect on pollution


How much a hybrid car is better for the environment than a conventional car is often subject to the size of the vehicle and the prevailing driving conditions. In comparisons between the same size and class of vehicle, say a compact city car, and driving in built-up city traffic, hybrid cars use substantially less fuel. They also have considerably lower emissions than conventional cars when running at any speeds.

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Hybrid car CO2 emissions


Toyota is passionately committed to reducing CO2 emissions in our vehicles. So much so that we have set a target to cut them from our vehicles by 90% by 2050, compared to the levels we had in 2010 with our New Vehicle Zero CO2 challenge.

Find out more about how we aim to do this via the link or see below for how hybrid cars CO2 emissions compare to diesel and petrol equivalents within the Toyota range.

New Vehicle Zero CO2 Emissions

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CO2 Emissions Comparison

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Hybrid cars vs. diesel and petrol cars and their environmental impact


In a direct emissions comparison between an Auris (diesel), a Yaris (petrol) and a Yaris Hybrid; the Yaris (petrol) created the highest levels of CO2 g/km, the Auris (diesel) created less, and the Toyota Yaris Hybrid emitted the least. Purely electric cars obviously have no fuel and therefore have zero CO2 emissions, but they do need daily charging of electricity, which is costly for the owner and also for the environment as this electricity needs to be generated and supplied. A hybrid car needs no recharging.

Toyota has long associations with hybrid cars and the environment and is a recognised leader in green car technology, illustrated by the recent milestone of 10 million global hybrid sales. The company pioneered the first mass-produced hybrid car, the Prius, and continues to make significant breakthroughs in hybrid technology.

What’s more, the T-Charge, which charges cars according to their emissions in central London, could easily be followed by other major cities as health concerns grow. In this case, the low-emissions of Toyota’s hybrid cars will largely avoid these potentially prohibitive daily charges.

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