Wow they really bury the lede on what fuel they run on. They say "dual fuel" but don't say which those fuel are, but external searching suggests natural gas or

Wow they really bury the lede on what fuel they run on. They say "dual fuel" but don't say which those fuel are, but external searching suggests natural gas or low-sulfur heavy fuel oil. Not sulfur-free, so I'm sure these are great for emissions.