London, Stockholm or Milan already have it and many other cities are considering the introduction of a city toll. Plug-in hybrids with their combination of combustion engine and electric motor have proven themselves in a recent field test in the UK’s capital in terms of environmental protection. That was to be expected. But does this technology have a future?

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About the author

Author profile picture Volker Joksch, freelance writer and corporate communications specialist. Lives in Munich.