"Biden is pushing for countries to adopt a zero-emissions goal for shipping by 2050. But environmentalists want action at home."
"When the first American-made lake freighter built in more than 35 years launched in Sturgeon Bay, Wis., last year, the 639-foot ship was outfitted for the future. The M/V Mark W. Barker’s larger hatch openings and spacious flat-bottomed hold meant that, unlike most freighters transporting iron ore and limestone on this route, it could hold unusual cargo — in particular, wind turbine blades.
But for all its modern updates, this ship won’t tap renewable energy from the large-scale wind farms planned for America’s coasts. It sails on diesel oil, the same fuel that powers most ships on the nation’s waterways.
This contrast between a fossil-fuel powered freighter and its next-generation future cargo is the new normal for the shipping industry, a major source of greenhouse gas emissions that is proving hard to clean up. As sales of electric cars increase and renewable energy proliferates, only a few shippers have begun to try zero-emission fuels and wind-propulsion technology. Efforts to cut carbon emissions through international regulations have met resistance from shipbuilders, oil companies and countries aligned with the handful of major shippers dominating the industry."