IMPACT

causis

Electric buses are the future

By reducing exhaust emissions and improving performance measurement, efficient electrified public transportation contributes to cleaner air, lower energy use and less noise pollution.

Public transportation that is electrified creates a wide range of jobs that benefit the community from driving to maintaining charging infrastructure

causis

Electric buses are the future

By reducing exhaust emissions and improving performance measurement, efficient electrified public transportation contributes to cleaner air, lower energy use and less noise pollution.

Public transportation that is electrified creates a wide range of jobs that benefit the community from driving to maintaining charging infrastructure

Approximately half of a battery’s emissions come from electricity used in the manufacturing process. While the emissions caused during the manufacturing stage are higher in electric vehicles compared to internal-combustion engine vehicles, this is paid off after only 2 years* compared to driving an average conventional vehicle. This time frame drops to about one and a half years if the car is charged using renewable electricity.

Grid decarbonisation offers a significant opportunity to reduce the emissions impact of battery manufacturing

Decarbonisation of electric grids around the world by an average of about 30% would result in approximately 17% lower battery manufacturing emissions by 2030.

With further investment in innovation, the emissions from battery manufacturing are likely to decline significantly in coming decades, especially with the use of cleaner electricity throughout the production cycle.

To take the necessary approach to drive down emissions, we need to implement a mass transit transition alongside the energy transition.

Approximately half of a battery’s emissions come from electricity used in the manufacturing process. While the emissions caused during the manufacturing stage are higher in electric vehicles compared to internal-combustion engine vehicles, this is paid off after only 2 years* compared to driving an average conventional vehicle. This time frame drops to about one and a half years if the car is charged using renewable electricity.

Grid decarbonisation offers a significant opportunity to reduce the emissions impact of battery manufacturing

Decarbonisation of electric grids around the world by an average of about 30% would result in approximately 17% lower battery manufacturing emissions by 2030.

With further investment in innovation, the emissions from battery manufacturing are likely to decline significantly in coming decades, especially with the use of cleaner electricity throughout the production cycle.

To take the necessary approach to drive down emissions, we need to implement a mass transit transition alongside the energy transition.

With around 9,000 buses operating in London and the average bus emitting 102g of CO2 per km travelled, approximately 918g of CO2 are emitted in London per km travelled. With almost 500 million km travelled across London’s entire fleet in 2021-2022, those emissions add up.

If London’s entire bus fleet were to be replaced by E-buses, this would amount to a reduction of 459g of CO2 per km travelled. That’s half of the CO2 emissions!

The U.K. electricity grid is supplied by renewable energy to a variable degree, averaging at 39% during August 2022 and at a maximum peak of 76% during periods of high renewable power generation, according the National Grid ESO.

During periods of high renewable energy generation, the CO2 emissions savings conferred by E-buses could be more towards the 600g mark.

FACT: The U.K. was powered by 70% zero carbon sources on 3 November 2022 - National Grid ESO

The emissions savings potential of governments moving towards electrified public transport are clear. By working towards net zero, the U.K. has already seen significant success.

How did the UK achieve this?

Legislation incentivising investment along with an influential eco-conscious populace shows what can be achieved when government, investors, and ordinary people coordinate to drive solutions toward a sustainable future.

Such renewable energy expansion requires sustained efforts across the public and private sectors.

Of course, in many countries, the electricity grid is powered to a higher degree on fossil fuels, and some internal combustion-engine buses are less efficient than those found in the U.K., meaning the emissions are much greater.

How can we take the lessons from one country and apply them to others?

We’ll be bringing you a series of newsletters featuring insights from industry experts and governments across the world on how to achieve a rapid energy transition to renewables to maximise emissions savings come the electrification of mass transit.

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