A majority of UK fleet managers are cautiously optimistic (56%) and 12% are very optimistic about what they’re expecting to see in 2013, according to a new survey conducted by GreenRoad called “Fleet Leader 2012 Outlook.” About 84% think reducing fuel expenses will be a significant challenge, and have a positive attitude about introducing more fuel-efficient vehicles into the fleet, retrofitting vehicles for alternative fuels, and training drivers better.