The president wrote on Facebook, Censor.NET reports.
"As agreed with President Trump, first American coal has reached Ukraine. It is a significant contribution to our energy security and a vivid proof of mutually beneficial strategic cooperation between our two nations. While it continues to steal Ukrainian coal from Ukrainian Donbas, Russia has lost yet another tool for its energy blackmailing," Porosenko wrote.
As reported, the first ship carrying U.S. coal arrived in Ukraine's Yuzhnyi Port in early hours of Sept. 13.