Billionaires are spending more on renewable energy, storage, and battery technology. A group of them even set up a US$1-billion fund, Breakthrough Energy Ventures , to encourage research in these areas, aiming “to make sure that everyone on the planet can enjoy a good standard of living, including basic electricity, healthy food, comfortable buildings, and convenient transportation, without contributing to climate change.” One big reason for this is that there is more technology to invest in. “In the last few years, the number of technologies ripe for investment has expanded dramatically,” Wood Mackenzie’s director for energy storage, Ravi Manghani, told CNBC. “It’s no longer just three or four technology verticals.” Thanks to this expansion in research areas, investors with a focus on a cleaner energy future have a much wider choice of investment targets. However, the Breakthrough Energy Ventures fund is not just throwing money around. The fund, which […]