The European Commission has called for a ban on petrol and diesel-fuelled cars from cities by 2050, in order to reduce oil dependence and tackle climate change.
The Commission said its transformation of the European transport system would help reduce carbon emissions and congestion on roads.
It could also reduce the number of accidents on roads - although good motor insurance cover is always important.
Siim Kallas, the European transport commissioner, said: "The widely held belief that you need to cut mobility to fight climate change is simply not 1. Competitive transport systems are vital for Europe's ability to compete in the world, for economic growth, job creation and for people's everyday quality of life.
"Curbing mobility is not an option; neither is business as usual. We can break the transport system's dependence on oil without sacrificing its efficiency and compromising mobility. It can be win-win."
Unveiling plans for a Single European Transport Area, Mr Kallas said it would help integrate the entire network and signal "a profound shift in transport patterns for passengers and freight".
The measures proposed could help reduce carbon emissions from transport by 60% by 2050, he added.
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