Mahindra and Mahindra has said it will launch micro-hybrid variant of its MPV – Xylo. Micro hybrids are not regular hybrids but uses electric power while idling thus increasing the fuel efficiency. Mahindra already sells Bolero micro-hybrid and Scorpio micro-hybrid. “We plan to launch the Xylo micro-hybrid before the end of the year,” M&M president–automotive and farm equipment Pawan Goenka said in New Delhi. He said already there are about 50,000 micro-hybrid vehicles from the M&M stable plying on the roads now.