Wärtsilä has completed the conversion of one engine on each of three LNG carriers operated by Chevron Transport Corporation from dual-fuel to spark gas operation, as part of a project aimed at reducing methane emissions from the vessels.The conversions involve modifying Wärtsilä 50DF engines to use spark ignition instead of diesel pilot fuel to initiate combustion, allowing for a more optimized combustion process and reduced methane slip.Methane slip refers to uncombusted methane…