RE:Rio Tinto's presentation of PYR's torchesYou missed the presentation and...you keep demonstrating that you cannot read nor comprehend slides prepared for such meeting...
Full of flashing red lights, such as NOx problems not acceptable, maintenance costs and complexity of setup, noise and safety concern...product quality risks. Anyway, their conclusion tells all: " This is ONE option..."
If this meets your investment requirements and criteria good for you. But don't fool others.
Remember WB No1 investment rule: Never get into a domain you don't comprehend.
GLTA