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POWER ELECTRONICS


Resistance IS USEFUL


Electrifying the world’s transport networks is no small task, especially considering the needs of heavier vehicles. Here Simone Bruckner considers the technical details


B


y 2040, the British government’s proposed ‘Road to Zero’ emissions plan will require each new car sold


in the UK to have an electric driving range of at least 50 miles. With electric vehicle (EV) capabilities in the midst of switching from an environmentally kinder preference to a mandatory requirement, the industry will have to electrify more than just commercial vehicles. EVs represent exciting opportunities


for the UK and across the globe. With the potential to reduce emissions in the largest-emitting sector, international


34 www.engineerlive.com


market trends suggest that electric cars and vans will reach price equivalency with internal combustion engine (ICE) vehicles by the mid-2020s and that EV sales will overtake petrol and diesel engines by the late 2030s. Despite this burgeoning expected


growth, there are still some important questions that need to be answered surrounding just how manufacturers can guarantee effi ciency levels that can outperform those of traditional vehicles.


GOING PUBLIC Urban electric buses are surpassing the growth of every other EV segment and


constitute the fastest-growing part of the EV market.


In China, the once quaint city of Shenzhen has become a megalopolis. Over 40 years, Shenzhen’s population has accelerated from 30,000 citizens to over 12 million. In line with this remarkably rapid transformation, the city began introducing electric buses in 2009 to combat rising air pollution. Today, it has become the fi rst city to electrify all of its public buses. In fact, a report by Bloomberg estimates that China adds around 9,500 buses to its services every fi ve weeks — the size of London’s entire


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