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Introduction As the world moves towards renewable energies, the internal combustion engine (ICE) will become a thing of the past. The next generation of vehicles will utilize electricity and rely heavily on developments in powertrains and energy efficiency. But what exactly is a powertrain, and are cars the only vehicles going green? This eBook will focus on powertrains and other supporting systems. In essence, the powertrain of an electric vehicle (EV) is all the systems involved in storing energy, converting that energy into electricity, and getting that energy into motors. In a modern EV, a powertrain includes battery storage systems, power converters, transmission, motors, and even the various supporting circuitry that enables the powertrain to operate. Forthcoming powertrains will need to exhibit several characteristics to satisfy future demands: • Increased efficiency. When powertrains waste less energy, engineers can design vehicles with higher ranges or lower weight (and cost). • Energy stability. As baseline energy sources are phased out in favor of less reliable renewable energies, more efficient EVs will help ease the pressure on electrical infrastructure. • Higher operating voltages. Increasing operating voltage will decrease the current in the system, the main contributor to energy waste by heat. Read on to see how Littelfuse helps engineers choose the right technology to bring future powertrains to the present. Mighty Guides make you stronger. Credible advice from top experts helps you make strong decisions. Strong decisions make you mighty. Reading a Mighty Guide is kind of like having your own team of experts. These authoritative and diverse guides provide a full view of a topic. They help you explore, compare, and contrast a variety of viewpoints so that you can determine what will work best for you. By Juergen Scheele, VP, Business Development & Product Management, xEV Passenger Vehicle Business, Littelfuse. 4 7 Experts on Automotive Powertrains