Oil is enduring a tough month, as further worries about the ongoing supply glut and declining demand push prices to their lowest point in three months. Yet as fossil fuels struggle, the quiet revolution in renewable energy continues to push forward. Attention has been focused on high-profile ventures like Elon Musk’s Gigactory and the recent roll-out of Tesla’s long-term plan. Musk hopes to single-handedly transform the world’s energy infrastructure, with factories like the Gigafactory run on renewable energy, producing cheap lithium batteries of electric cars. Musk has also positioned himself as a key figure in the future of solar power, serving as chairman and major shareholder of SolarCity, the largest American solar energy firm, which is now being formally taken over by Tesla. Skeptics however have pointed to the poor profitability of Tesla, which has lost hundreds of millions, and the potential for lithium demand to be […]