US crude inventories likely climbed last week as refinery maintenance reduced demand while exports slipped, an S&P Global Platts analysis showed Monday.

The oil futures complex edged lower Monday on continued concerns about economic growth and bearish fundamentals.

Angola's battle to stem its steep production decline is proving to be a long one, with hopes resting on the country's new licensing round, the first since 2011, along with the outcome of reforms by President Joao Lourenco.

Ecuador's state-run oil producer Petroecuador restarted exports of heavy sour Oriente and Napo crudes early Sunday, according to a letter sent by the company to its clients Sunday.

European downstream oil company Varo Energy has started VLSFO supply at Bremerhaven, Germany, in addition to existing supply at Hamburg, Germany, the company said in a statement Monday.

Perez said Petroecuador is even willing to lease its infrastructure, such as pipelines or storage tanks.

One broker suggested a lump sum of up to $4.5 million could be made for an LR2 loading in US Gulf to ship to China, compared with $2.5 million carrying clean products.

"Operators are going to face higher loading prices for their gasoil, as well as, freight cost," a trader said.

The PAS "defines general requirements that apply to all 0.50 mass % sulfur fuels and confirms the applicability of ISO 8217 for those fuels."

"Singapore and Fujairah [bunker] markets will move independently after 2020 depending on the fundamentals of each port,"a trader said.

The new test will help address bunker fuel quality issues.

"We hope to supply 100,000 mt per month when the new IMO regulations come into effect on January 1," the source said.

"There are two impacted tanks, which were holding very low volumes of ethanol -- less than 1% of tank capacity," said the company.

Petroperu has changed CEOs six times since work got underway on the contract in 2014, leading to 18 months of delay and $500 million in cost overruns.

"We are planning a significant increase in the production and sale of specialist lubricants," Cherner said.

"We added the Istanbul Annex due to special procedures in case of cancellation and untaken orders by buyers," the official said.

"Have you seen how polluting ships are? We need to prevent that," Timmermans said.

"I expect we will see increasing supply of VLSFO during October, November and December in most markets," Einemo said.

"It is up to the owners of the tankers to resolve the issue," Gyetvay said.

Focus should be on emissions and, by proxy, power, BIMCO said.