They're talking about commercial scale coffee products and coffee flavoured products (bottled coffee drinks, instant coffee, etc.), where a reduction of 75% of the energy consumption could not only be very profitable, but also helpful in hitting environmental targets. Coffee is already a bit of an environmental nightmare when it comes to water usage in farming, so lessening the impact of commercial coffee is definitely a plus.

[–] rain_enjoyer@sopuli.xyz 2 points 1 day ago (1 children)

if all that energy is used to boil water and we're cutting that energy use by 3/4 then it's saving 70Wh (not kWh) per litre, or 70kWh per cubic meter. that's not much

[–] tabris@lemmy.world 4 points 1 day ago

When you're dealing with thousands of litres per hour, it's a fair amount.