The $40 million bond tranche, priced at 13.7 percent yield under a Nordic bond program, was placed with global fixed income investors despite volatile market conditions.
The DOE has engaged non-traditional fuel suppliers including Argentina, Canada, Australia, Colombia, Brunei, and India under its emergency energy program.
COMAC's C909 has struggled with international adoption. Vietjet's 10-aircraft lease is the most significant overseas commitment the type has attracted.