内容摘要：The process does require propane to initiate the heating, but once the pyrolysis begins, the gas it produces is used to keep it going, according to the company. And using fuel it produces does throw off carbon dioxide, but the company says its net impact is less than comparable fuels because their fuel is lower in sulfur.

The process does require propane to initiate the heating, but once the pyrolysis begins, the gas it produces is used to keep it going, according to the company. And using fuel it produces does throw off carbon dioxide, but the company says its net impact is less than comparable fuels because their fuel is lower in sulfur.

Abigail Jablansky, head of project management, walks down the stairs on the NH3 Kraken, a tugboat powered by ammonia, Friday, Sept. 13, 2024, in Kingston, N.Y. (AP Photo/Alyssa Goodman)Abigail Jablansky, head of project management, walks down the stairs on the NH3 Kraken, a tugboat powered by ammonia, Friday, Sept. 13, 2024, in Kingston, N.Y. (AP Photo/Alyssa Goodman)

Amogy first used ammonia to power a drone in 2021, then a tractor in 2022, a semi-truck in 2023, and now the tugboat to prove the technology. Woo said their system is designed to be used on vessels as small as the tugboat and as large as container ships, and could also make electricity on shore to replace diesel generators for data centers, mining and construction, or other heavy industries.The company has raised about $220 million. Amazon, an enterprise with immense needs for shipping, is among the investors. Nick Ellis, principal of Amazon’s $2 billion Climate Pledge Fund, said the company is excited and impressed by what Amogy is doing. By investing, Amazon can show ship owners and builders it wants its goods delivered with zero emissions, he added.“Many folks will now get a chance to see and understand how real and promising this technology is, and that it could actually be in container ships or tugboats in a matter of a few years,” he said. “If you would’ve asked five years ago, I think a lot of people would have thrown up their hands ... And suddenly we have not only a compelling example, but a commercially-viable example. These types of things don’t come by every day.”

A worker walks on the NH3 Kraken, a tugboat powered by ammonia, Friday, Sept. 13, 2024, in Kingston, N.Y. (AP Photo/Alyssa Goodman)A worker walks on the NH3 Kraken, a tugboat powered by ammonia, Friday, Sept. 13, 2024, in Kingston, N.Y. (AP Photo/Alyssa Goodman)

Other companies are developing ammonia-powered ships that still use some diesel.

In Singapore in March,He worked seven days a week through most of the court’s term from October to early summer, staying at his Supreme Court office for more than 12 hours a day. He said he underwent an annual “intellectual lobotomy” at the start of each term because he had so little time to read for pleasure.

Souter rented an apartment a few miles from the court and jogged alone at Fort McNair, an Army installation near his apartment building. He was once mugged while on a run, an apparently random act.Souter returned to his well-worn house in Weare, New Hampshire, for a few months each summer and was given the use of an office in a Concord courthouse.

U.S. Supreme Court Justice David Souter, smiles after speaking during a dedication ceremony at the State Supreme Courthouse in Concord, N.H., July 9, 2008. (AP Photo/Jim Cole, File)U.S. Supreme Court Justice David Souter, smiles after speaking during a dedication ceremony at the State Supreme Courthouse in Concord, N.H., July 9, 2008. (AP Photo/Jim Cole, File)