Roz Bulleid (“Metal can have a future as a inexperienced trade”, Letters, April 5) is squinting on the prime of the cherry tree when plump fruit are dangling inside arm’s attain.
Vitality prices in steelmaking may be slashed by as much as 70 per cent by way of producing energy on website from blast furnace gases (that are usually flared off) and by recycling waste warmth, utilizing applied sciences which can be tried and examined — and low cost.
Working on this manner simply two crops in Indiana, US (Cleveland-Cliffs and US Metal) have saved 76,000 tonnes of CO2 emissions yearly, improved their backside line and loved extra dependable power provide.
There’s a spot for blue sky pondering in steelmaking and hydrogen metal is a part of that.
However confirmed methods could make an enormous distinction to the sustainability of metal crops shortly, together with to their monetary sustainability. What’s to not like?
Sustainable Growth Capital
London W1, UK