Once our cars go electric, how will motorists be taxed to raise money for roads?

Once our cars go electric, how will motorists be taxed to raise money for roads?
Once our cars go electric, how will motorists be taxed to raise money for roads?

Motoring taxes raise nearly £40bn a year, or about 5 per cent of Britain’s total tax revenue. Nearly 70 per cent of that comes from duty on fuel, levied partly to deter consumers from using too much of the stuff.

Yet as drivers take the hint and switch to electric and hybrid vehicles, the Government faces a problem in the form of falling tax revenues. Economists are therefore rethinking how to tax motoring in a low-emissions future.

The Institute for Fiscal Studies (IFS), a think-tank, recently warned that more than £33bn could all but disappear as cars become more fuel efficient or go electric.

Revenue from fuel duty has already dropped from 2.2 per cent of GDP in 2000 to 1.3 per cent today (partly because duty has fallen in real terms). This decline is expected to continue as the Government aims for “net zero” carbon emissions by 2050.

What should replace tax on petrol and diesel?

A Bluecity electric car, part of a car sharing scheme, is charged at a Source London electric vehicle (EV) charging point in London on December 19, 2107. / AFP PHOTO / Justin TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
Electric charging points have become a common sight across the UK (Photo: JUSTIN TALLIS/AFP/Getty)

Ministers could simply raise money by taxing other things, of course. But taxes are also a way of discouraging behaviour that imposes costs on society, and driving has plenty of these. Beyond emissions, they include accidents, noise and congestion.

The latter is much the biggest, accounting for 80 per cent of motoring’s total cost to society, according to the IFS. Last year British drivers wasted an average of 178 hours in traffic, costing them £1,317 each in time that could have been spent on work or leisure. The cost to the economy was £7.9bn, according to Inrix, a transport analyst.

To ease congestion – and raise some cash – the IFS recommends taxing drivers for entering busy areas. Drivers already pay a fee of £11.50 to enter a 21 square mile zone in central London during peak times. This is estimated to have reduced congestion in the city by 20 to 30 per cent.

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Other places have come up with even more sophisticated ways to tax drivers. In Singapore they are charged for where and when they go, their movements tracked by a gadget fitted in their car.

Cities in Sweden charge motorists for entering different zones, with fees varying depending on the time of day.

As taxes on fuel dry up, expect more levies on congestion.

© 2019 THE ECONOMIST

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