Technology from Envia that was supposed to cut EV battery costs in half doesn't actually work.
Senior Editor, Energy
My reporting as MIT Technology Review’s senior editor for energy has taken me, among other places, to the oil-rich deserts of the Middle East and to China, where mountains are being carved away to build the looming cities.
Growing up, I lived for a time in the Philippines, where I knew people who lit their tiny homes with single lantern batteries or struggled to breathe through the dense diesel fumes of Manila, so I have a feel for the pressing need around the world for both cheap energy and clean energy.
Kevin Bullis's Stories
SolarCity’s new battery system might help solar become a significant source of electricity.
New catalysts turn carbon dioxide into fuels faster and more efficiently.
Using plastic to absorb light could lower the cost of solar power.
An Icelandic company figures out how to make methanol from waste carbon dioxide, but the economics may not work without a nearby volcano.
Sure, lithium-ion batteries have risks, but so do gasoline-powered cars.
Lithium-ion batteries have risks, but they can be managed to prevent fires in EVs.
A study suggests the EPA is greatly underestimating greenhouse-gas emissions from natural-gas production.
UPDATE: Early Data Suggests Collision-Caused Fires are More Frequent in the Tesla Model S than Conventional Cars
When you look at collision data, the Model S looks worse than conventional cars. But it may be too early to draw conclusions.
SolidEnergy says its new battery materials store more energy and won’t catch fire.