DuPont and Yingli Energy (China) Company Limited, a wholly owned subsidiary of Yingli Green Energy Holding Company Limited, have signed a new one year, $100 million strategic agreement that includes the supply of advanced solar materials, the installation of a solar power plant and co-marketing initiatives aimed at accelerating the broader and faster adoption of solar energy to address the world’s growing energy needs. This agreement is an expansion of a $100 million supply agreement between the...