Maine company successfully launches prototype biofuel rocket
A prototype rocket from the US that's powered by biofuel passed its first major test flight on Sunday. The rocket, called Stardust 1.0, was developed by a firm called BluShift Aerospace, which is based in Brunswick in Maine. The 20-foot (six metre) prototype rocket reached an altitude of just over 4,000 feet (1,219 metres) during its maiden run, which was designed to test the rocket's propulsion and control systems. Video footage shows Stardust 1.0 blasting off from the former Loring Air Force Base in the northern Maine town of Limestone, marking the state's first commercial rocket la...