In pictures: Emerging fuels do battle on the track in Asia

Attracting teams from research and academic institutions across the Asia Pacific, Middle East and African continents, the four day event ran from 26 February 26 to 1 March on the Luneta Park urban circuit in Manila in the Philippines, and pitted vehicles fuelled by alternative diesels, electric batteries, hydrogen fuel cells and solar power against each other to see who could travel the furthest on a single unit of fuel. Courtesy of Mike Alquinto/AP Images for Shell.