John Poljak's KeynumbersHydrogen car economics, is it now cheaper than electric?Two hydrogen car owners are filling up at a station and the first says to the second, “I bet these prices are going to go even higher.”…Jan 9, 2021Jan 9, 2021
John Poljak's KeynumbersPrimary to final energy, how much do we waste?Imagine making 3 cups of coffee, throwing 2 away and drinking the third. Then repeating that process everyday.Dec 13, 2020Dec 13, 2020
John Poljak's KeynumbersRevisiting the work of David MacKayWritten in 2008, what would be the results of sustainable energy if you recalculated the results with 2020 technology? Are we improving?Nov 28, 2020Nov 28, 2020
