Get our introductory offer at only
*$0.99/month for first 3 months
$29.90/month for the next 9 months
OPEC's secretary-general says oil prices as high as US$200 a barrel are possible if producers fail to invest in new supply.
"If you don't invest in oil and gas, you will see more than US$200," Abdalla El-Badri said in an interview in London on Monday, without giving a time...