A lack of exploration means the country's oil and gas potential remains largely unknown.

因勘探不足，该国的潜在石油和天然气储量在很大程度上仍是个未知数。

youdao

Ethiopia's proven reserves of oil and gas are minimal but analysts believe there is potential, particularly for gas, in the Ogaden.

埃塞俄比亚已探明的石油和天然气储量很少，但分析人士认为，欧加登地区有很大开发潜力，特别在天然气方面。

youdao

It includes no new estimates of potential oil and gas reserves offshore and notes that some of the existing estimates are based on 25-year-old seismic studies.

报告没有包括沿海新的石油和天然气储量的预计，而对现有资源的估计也是基于25年前的老旧的地震学研究数据。

youdao

But since the break-up of the Soviet Union, it's been eyeing a potential new source of oil and gas -- the Caspian Sea.

BBC: Oil flows from the Caspian Sea

Fuels would be taxed according to their CO2-generating potential (ie, coal more than oil, and oil more than gas) rather than the miscellaneous system of duties to which they are now subjected.

ECONOMIST: A cooling off period

While Australia is the best part of 10-years behind the U.S. in terms of exploring for and developing its unconventional oil and gas potential it is a country which featured prominently in a 2011 analysis of world shale gas potential by the U.S. Energy Information Agency.

FORBES: Chevron Gets A Sniff Of Australian Shale Gas