Posted by DFM on January 24, 2023, 7:16 pm, in reply to "NASA-Backed Study Will Test Ammonia as a Carbon-Free Alternative to Jet Fuel"
First of all, it has been used for aircraft and spacecraft beginning in the 1960s. It is KNOWN to work. It is non-toxic.
The issue is COST. Until a cost-effective source is implemented, it will remain a mere possibility.
- DFM January 24, 2023, 11:15 am