But when it comes to shedding fat, the latter school of thought may give you a leg up. Cardio after weights is a safer bet than cardio before weights, not only for energy levels, but also for potentiating fat loss, says Lee Boyce, C.P.T., owner of Boyce Training . Build muscle, get stronger, and burn fat all in a single day with this full-body combined cardio and weights workout from Boyce.
Three years ago the US was behind Russia, Canada and Saudi Arabia.. More than half of the US's remaining oil reserves are in unconventional shale oil, Rystad Energy data show. Texas alone holds more than 60bn barrels of shale oil.
Here are the top five most important oil fields in the world. 1. Ghawar (Saudi Arabia) The legendary Ghawar field has been churning out oil since the early 1950s, allowing Saudi Arabia to claim the mantle as the worldâs largest oil producer and the only country with sufficient spare capacity to act as a swing producer.