"Most of the producing countries have young populations entering the driving age and can more readily afford to buy cars because the price of fuel is low," said Charles McPherson, an oil expert at the International Monetary Fund.
Yet at the same time, the analysts here and oil traders in the United States worried that such substitutions might not be sufficient as Americans enter the peak driving season and demand for gasoline increases.
As prices rose, speculators entered the market, driving prices even higher.
China, after its warnings were ignored, then entered the war, driving the UN forces back into South Korea.
But if that process stops, oil and gasoline prices may again rise as the United States, the largest oil consumer by far, enters the summer driving season.
Hundreds of companies -- a handful with their own networks, most reselling the use of others' networks -- had entered the market, driving down prices and expanding choices.
His mechanics had a problem bolting on the right front wheel, and then he had to wait before leaving the pit stand as Felipe Massa in a Ferrari had just entered the pits driving past him.
Then instability enters the scene, driving the feeling-effort state out of the lasting successful dynamics.
But as the years progressed, others joined the field, some directly inspired by Google's success: Uber's Travis Kalanick has spoken about how he was inspired to enter the self-driving car business by a ride in one of Google's prototypes.
Thus, upon binding of the Shh-ligand to Ptc1, inhibition of Smo is relieved, allowing Gli to enter the nucleus and ultimately driving expression of Hh-target genes.
