Using kiln cooling-zone heat in the dryer — 10–20% fuel saving — plus duct/kiln-car insulation discipline.
From our guide: Decarbonizing Ceramics & bricks — full context, charts and sources there.
Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets: