New Toyota concept targets minimised emissions from a vehicle that uses economically viable technologies and manufacturing methods. Longer than a Yaris, but 25 per cent lighter thanks to comprehensive weight-saving. High aerodynamic efficiency, with 0.235 drag coefficient. Full hybrid powertrain featuring high-efficiency two-cylinder 1.0-litre petrol engine. Average134.5mpg and 49g/km CO2 emissions – new performance benchmarks for a full hybrid vehicle. Flexibility of Toyota Hybrid Synergy Drive gives potential for future compressed natural gas hybrid and plug-in hybrid versions with even lower carbon emissions. World premiere at the Geneva motor show.