Policymakers hope domestic consumption can sustain growth.
Lower-priced renewable energy will compete with liquefied natural gas, advocates say.
Regulators worry about pressure on foreign exchange reserves.
Tanker attacks near Persian Gulf raise concerns for China's growing dependence on liquefied natural gas.
Weakness in the power sector signals trouble in the economy.
Strategic reserves could last for as little as 30 days in case of a cutoff.
Central Asia's 'Line D' project may be delayed past 2022.