Hydrogen made directly from raw solar power will be the cheapest chemical energy available anywhere by the end of this decade.

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  Hydrogen is a hyped-up bandwagon that is unlikely to help with our energy problems.

  MacKay called hydrogen a hyped-up bandwagon unlikely to help with our energy problems. Handmer says he is 100% confident that hydrogen made straight from raw solar power will be the cheapest chemical energy available anywhere by the end of this decade, and has built a company on it. The disagreement is total, and the mechanism Handmer names — solar cheap enough to run a deliberately inefficient electrolyser — did not exist when MacKay wrote.

Shared subject first, then similar wording. They may agree or disagree.

• A future of constrained energy will need more people working the land, and that is not the same as going back to the past. CSChris Smaje30 Jun 2026solarenergy
• A solar system holding a trillion humans is the right thing to aim at, because a population that size would have a thousand Mozarts and a thousand Einsteins alive at once. JBJeff Bezos14 Dec 2023solarenergy
• After four more doublings of installed solar capacity, solar electricity will cost about 3 cents per kwh in the sunniest areas and 4.5 cents per kwh in moderately sunny areas. RNRamez Naam10 Aug 2015solarenergy
• An acre of solar panels powering electric cars carries you orders of magnitude further than an acre of crops grown for fuel. MGMichael Grunwald6 Jun 2023solarenergy
• Average solar electricity prices in sunny parts of the world will fall to one or two cents per kwh by 2030 or 2035. RNRamez Naam14 May 2020solarenergy

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