The “best of the rest” – stories that caught MDN’s eye that you may be interested in reading. In today’s lineup: PA rig count stays same in April; Amercian Rivers “most endangered” scam; natgas buses coming in Florida; GE debuts first battery-gas turbine hybrid; soaring sand costs; USGS latest gas resource estimates decimates notion of “peak gas”; natgas to hit $4 this summer?; turning green grass into green gas; and more!