Motley Fool: This segment is from Tuesday's edition of Digging for Value, in which sector analysts Joel South and Taylor Muckerman discuss energy and materials news with host Alison Southwick. The twice-weekly show can be viewed on Tuesdays and Thursdays. It can also be found on Twitter, along with our extended coverage of the energy and materials sectors: @TMFEnergy.
Natural gas releases about 50% less CO2 than coal, but will it be paramount in reducing greenhouse gases? Experts are uncertain, and some say...