Some argue that the world can be 100% powered by solar energy, but this is too simplistic, writes David Hone, Chief Climate Change Advisor for Royal Dutch Shell. He points out that solar PV delivers only electricity, which makes up just 20% of final energy use, and argues that other energy demands are better served by other low-carbon options, such as hydrogen and synthesis gas. A recent Shell publication indicates that 30% solar power by 2100 is … [Read more...]
The hydrogen economy is much nearer than we think
For over 30 years promoters of green energy have proclaimed the hydrogen economy is around the corner. Now this could finally become true. While some energy experts claim that hydrogen from renewable energy is prohibitively expensive, companies like ITM in the UK are proving in the market that this technology is already competitive. They produce hydrogen for use in cars and in the form of power-to-gas to be used in the gas network. Energy … [Read more...]
Toyota vs. Tesla – can Hydrogen Fuel-Cell Vehicles compete with electric vehicles?
Author: Tony Seba Hydrogen fuel cell vehicles (HFCVs) appear to be making a comeback. But according to author, lecturer and entrepreneur Tony Seba, HFCVs can't compete with electric vehicles. "The hydrogen economy would be a massively wasteful economy that would at best use three to six times more energy than an electric vehicle and solar/wind infrastructure and many times more water than even gasoline uses." … [Read more...]
An investor speaks: the oil party is almost over
The fact that environmental activist Bill McKibben is waging a relentless “fossil fuel divestment campaign” may not worry established oil and coal companies too much. But he is joined by an increasing number of mainstream investors and analysts. The latest investor to warn that fossil fuel assets may be overvalued is the famous hedge fund manager Jeremy Grantham, owner of the major US asset-management firm GMO. In a thoughtful piece for the GMO … [Read more...]
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