New Delhi, January 7 (ANI): The 11th edition of the Auto Expo in Delhi witnessed a focus on alternate fuel for the first time, with global and Indian carmakers unveiling at least a dozen new hybrid, electric or alternative fuel vehicles. While France's Peugeot SA has unveiled its Hybrid 3008 , Volvo Buses too showed off its hybrid bus in India. Mahindra & Mahindra has also launched its range of Reva Electric cars. Tata, alongside its new diesel hybrid Indigo Manza, also launched a hybrid bus, and unveiled a version of its ultra low cost Nano model that runs on compressed natural gas.