Writing
Technical writing
Long-form pieces on water, wastewater, energy and the contracts that deliver them. Written to be cited.
28 Jul 2026
Biogas to power, heat and turquoise hydrogen
The anaerobic reactor makes the fuel. What happens next — CHP engines, hot water, and methane pyrolysis to hydrogen with solid carbon — decides what the fuel is worth.
Energy · Biogas · Hydrogen · Wastewater
Article image
2 min
14 Apr 2026
Energy at the works — part 2 of 2
Biogas from municipal sludge: size the digester before the business case
Sludge-to-energy proposals fail at the same three numbers: volatile solids, destruction rate, and what the gas displaces. Get those right and the rest is procurement.
Energy · Biogas · Sludge · Wastewater
2 min