Nissan’s 2012 Olympic fleet would have averaged 60g/km of CO2, half of what was required by the games’ organisers.

The London Organising Committee of the Olympic Games (LOCOG) chose BMW as its automotive partner for the games, saying that the German firm best matched its average 120g/km emissions targets, while also dismissing relying on electric vehicles for the games.

A senior Nissan source said the firm’s average emissions were the lowest of all the bidders, and the LOCOG’s decision would be a “backwards step” for the capital’s chances of creating an electric infrastructure.

“We have no issue with BMW getting the contract,” said the source, “but we feel the LOCOG have missed out here on a golden opportunity to kick-start a proper electric infrastructure in London.

“The Renault-Nissan fleet would have averaged 60g/km and would have provided the legacy they’re so keen to see with London.”

Half of the 4000-strong fleet would have been made up of all-electric Nissan Leafs, which are due to go into production in a year’s time.

Hilton Holloway blog: An Olympic-sized scandalBMW joins 2012 OlympicsBlow for London’s electric networkNissan's Olympic bid 'was feasible'Full story: Nissan's Olympic frustration

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