A control wheel sits near a pumping unit, also known as a ‘nodding donkey’ or pumping jack, at an oil plant in Damborice. Here’s one reason to withhold faith in oil’s recovery after the biggest rally in seven years: Once winter fades, it’s downhill all the way for fuel demand until summer. The 12 percent rebound in West Texas Intermediate on Friday couldn’t save the U.S. crude benchmark from a 4.7 percent weekly decline. Prices remain below $30 a barrel even as demand for heating amid the northern hemisphere weather drives demand to its seasonal peak. Fuel consumption will start to taper off next month as temperatures rise, removing further support from prices. Over the past 10 years, global oil demand has on average declined about 1.4 million barrels a day between February and May — more than the combined consumption of the states of New York and Pennsylvania […]