They could play a key role in rebuilding a country whose stability is a shared priority, but their involvement in Syria could aggravate pre-existing Gulf rivalries.
Three major CCS projects have taken final investment decisions, offering momentum for a sector that has struggled to move beyond the announcement and conceptual phases.
The DOE's projections of price spikes and health risks might hamstring the Trump administration's goal of approving licenses on day one, but how much is unclear.