Fisker has become the latest pure-electric vehicle start-up to run out of road and cash after the US electric car manufacturer announced it was halting car production and filing for bankruptcy. The move came after the Tesla rival failed to secure an investor to finance the ailing company, which had already warned of trouble ahead if more cash was not forthcoming. Talks with a major manufacturer, widely believed in the industry to be Nissan of Japan, about a financial injection have now collapsed. Fisker is the most high-profile electric maker to fail amid a slow-take up of electrics by consume…