CNBC | Oil shortage could hit by 2020 if investment doesn't pick up: Saudi Energy Minister CNBC There could by a shortage of oil supply by 2020 if investment flows continue at their current rate, Saudi Arabia's energy minister Khalid A. Al-Falih has warned. Al-Falih told CNBC that prices today are "comfortable" but he worries about future investment. China-US trade tensions high on Big Oil's worry list Saudi Crude Oil Exports Jump To 8.258 Million Bpd In November Oil, Snow and Saudi Billions: Secret Davos Gets Down to Business |