How to Lower Car Emissions

As global warming has become such a prominent issue over the last few decades, lowering carbon emissions has become a hot talking point amongst politicians, car manufacturers and even car owners. With new proposed levies and charges set to be introduced for higher-emission vehicles in 2030 and the impact of excessive carbon emissions being felt around the world, it’s certainly worth considering new ways to  lower your own carbon emissions, particularly when it comes to driving.Here, we’ll explain ways that you can lower car emissions by changing your travel habits and future car buying choices.

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Lowering your car emissions has become a hot talking point to improve the environment.

Only Drive When Necessary

While the first tip on our list may seem a little obvious, it’s certainly worth mentioning. Ensuring you only use your car for essential journeys is a great way to lower the amount of carbon emissions you produce each year, and could save you hundreds of pounds in fuel costs each year too.

While longer journeys often justify using the car, a quick trip to the local shop doesn’t necessarily mean you have to drive. Making shorter journeys on foot or by bike means you get more exercise, save fuel and eliminate carbon emissions that you would have otherwise produced!

Drive Less in General

If you’re really looking to reduce how much you’re spending on fuel and the amount of carbon emissions you are producing, you may wish to consider cutting down on day-to-day driving too. It can also help to retain as much of the car's value as possible when it comes to selling your car by reducing the mileage, one of the key influencers in depreciation.

Again, using a bike is a great substitute for those who need to make a local morning commute to work, and for those who are self-employed or can work remotely, setting up a home office allows you to eliminate the need to commute altogether.

For those whose commute is too far to cycle, using public transportation or setting up a carpool arrangement with a colleague is another cost-effective and carbon-efficient way of travelling.

There are many things you can do to lower your car emissions, for example, drive only when necessary and opting for fuel efficient cars.

Choose fuel efficient vehicles

Newer cars are much more fuel-efficient than older models and produce far fewer emissions, so purchasing a newer model of vehicle can quickly reduce carbon emissions for some owners. In fact, interest in ‘green’ vehicles has increased considerably over the past few years, with technology fans across the world becoming excited about the prospect of autonomous electric cars.

Drive Efficiently

You can also drastically reduce the amount of carbon emissions you are responsible for by simply amending the way you drive your car.

Firstly, aggressive driving such as quickly accelerating to high speeds can unnecessarily burn up excess fuel. In fact, it can lessen your fuel mileage by 15-30% at motorway speeds, and 10-40% in ‘stop-start’ traffic. Using driver feedback devices or the built-in feedback system in some newer cars can help understand how economically you are driving, and encourage you to drive at steadier speeds.

Secondly, adhering to the speed limit at all times also greatly reduces carbon emissions (as well as your chances of causing a collision). While each vehicle has a different optimal speed for fuel economy, fuel mileage often decreases much more quickly at speeds over 50mph.

Lower-emission cars include

1

Electric cars: Vehicles being powered solely by electricity (or EVs) produce no direct carbon emissions, meaning there is no additional carbon added to the atmosphere as a direct result of you charging and driving an EV.

2

Plug-in hybrid electric cars: PHEVs are partially powered by fuel, partly by electricity, and often come with an option to switch to an ‘all-electric’ mode during transit. Depending on how much the driver opts to use the traditional combustion engine to power the vehicle, will ultimately determine how much carbon emissions are produced by the car.

3

Hydrogen fuel cell cars: FCEVs are zero emission vehicles, as the only emission from the ‘exhaust’ is water vapor. The only ways carbon emissions can be attributed to FCEVs is in relation to their production and delivery, and in some instances even the production is powered by renewable energy sources.

4

Cleaner burning gasoline cars: Car manufacturers are constantly finding new ways to improve the performance and efficiency of their vehicles, and this applies to how pollutive each model is too. While traditional combustion-engine vehicles are still very much on the market, the amount of carbon emissions produced in newer models is considerably lower than those of older models.

One way to lower your car emissions is to reduce the weight carried by your car, this will use less fuel during each journey.

Weight Watching

Reducing the weight carried by your vehicle will allow you to use less fuel during each journey (providing you are driving steadily and safely as mentioned above), and therefore produces less carbon emissions over time.

A boot full of heavy items such as toolboxes or packed suitcases can quickly work away on your fuel economy. An extra 100lbs in your car can reduce your MPG by around 1%, based on the percentage of extra weight relative to the vehicle's weight. The effect of this over time can really have an impact on the amount you’re spending on fuel, and the number of carbon emissions you are producing as a result.

Adding further additions to the roof of your vehicle such as cargo holders or having the ability to tow other vehicles can also have a sizeable effect on your fuel economy by creating extra wind resistance and weight. For example, a large, roof-mounted cargo holder could reduce fuel economy by 2-8% on city roads, and a whopping 10-25% at motorway speeds (65 mph to 75 mph).

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