by georgejetson | Nov 25, 2020 | batteries, Electric vehicles, Hydrogen, Mobility, Narratives
Some of the responses to the proposed road tax caught my attention. The Victorian and South Australian Governments recently announced a tax for electric and zero-emissions vehicles. The Federal Fuel excise was originally intended to fund roads and currently raises...
by georgejetson | Apr 5, 2020 | Energy, Hydrogen
EcoGeneration have published an article by Josh Floyd and myself titled ‘How should we think about a hydrogen economy?’ We were asked to write a piece setting out the possibilities and hurdles of hydrogen, and to link it in with our recent book. The full...
by georgejetson | Mar 6, 2020 | Emissions, Hydrogen, Solar, Storage
Hydrogen ‘colours’ can be a useful shortcut for differentiating hydrogen supply options. But delimiting by colour can obscure the nuances between supply options, and oversimplify what are difficult policy and commercial choices. There is no universal standard for...
by Graham Palmer | Feb 24, 2020 | Energy, Hydrogen, Uncategorised
I’m sometimes asked why the gravimetric energy density of hydrogen is so high, and much higher than batteries. For example, the Tesla Model S (85 kWh) requires a battery pack weighing about 540 kg to achieve a 400 km range, but a similarly sized gasoline...
by Graham Palmer | Feb 16, 2020 | Electricity, Energy, EROI, Hydrogen, Oil, Pumped hydro storage, Storage
This is my first post for over a year, and I’m planning on following up with several more posts in the near future. I’ve been working on several projects, including my project engineering role in manufacturing, research projects on hydrogen and a book on...
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