Tata Steel recently published a whitepaper entitled "Charging towards a sustainable future?" which sets out the company's views on Europe's future powertrain mix and the role that steel can continue to play in the industry. just-auto's Calum MacRae met with the report's author, Chris Wooffindin, the company's automotive marketing manager, and his colleague Dr Nick Coleman, Principal Researcher in to sustainability at Tata Steel, to discuss the report's contents at the 2017 Frankfurt IAA.