Natural gas producers compete with oil producers, who throw off low-cost gas. Associated gas production is expected to continue growing as oil fields age and new pipelines are developed.

Shane van Gisbergen joins Kevin Harvick to break down his transition to NASCAR.

What covers 50 percent of Fairfax County and grows? Trees! Or more correctly, the tree canopy, which is made up of branches and leaves that seem to cover the ground when viewed from above. Fairfax ...