HOUSTON, Feb. 12 (UPI) -- Saudi Arabia doesn't produce as much oil as it can, a spare capacity the head of the state oil firm says provides a crucial safety net.

HOUSTON, Feb. 12 (UPI) -- State-owned Saudi Aramco said it will go ahead with plans to increase oil production capacity to meet the world's energy demand.

HOUSTON, Feb. 12 (UPI) -- Calls for the aggressive displacement of fossil fuels hurt investments to increase supplies to meet growing demand, the head of Saudi Aramco said Tuesday.

HOUSTON, Feb. 12 (UPI) -- Policies to combat climate change -- "well-intentioned but ultimately flawed or confusing" -- could hurt oil recovery, the head of Saudi Aramco said.

HOUSTON, Feb. 12 (UPI) -- The head of state-owned Saudi Aramco said Tuesday the world must tackle the "root causes" of supply concerns to achieve energy security goals.