Business Green: The French government is poised to introduce a carbon tax of EUR14 (£12.22) a tonne from next year, brushing aside concerns that unilateral emission taxes could force carbon-intensive businesses to leave the country. In an interview with Le Figaro magazine to be published tomorrow, prime minister Francois Fillon said the government would introduce the tax at a level in line with the current carbon market price of EUR14 a tonne before increasing it over time. The bulk of …