Some promising figures coming to us via the European Automobile Manufacturers Association:

In the first quarter of 2015, total alternative fuel vehicle (AFV) registrations in the EU significantly increased (+28.8 %), totalling 144,421. Of these, electric vehicles (EVs) saw their registrations more than double, rising from 11,304 units in Q1 2014 to 24,630 units in Q1 2015 (+117.9%).

Surprisingly, demand for conventional hybrids is up too:

Demand for new hybrid cars also increased (+21.4%), totalling 56,704 units in the first three months of the year. Propane and natural gas powered 63,087 new cars during this period, or 16.5% more than in the first quarter of 2014.

Lastly, here's a look at Europe's strongest players in the AFV segment:

Looking at the EU’s major markets, the UK saw the largest increase of AFVs registered over the period (+64.2%), followed by France (+33.9%), Italy (+18.1%) and Germany (+11.3%). Among the EFTA countries, the Norwegian market grew by 32.7%, reaching 10,901 units.