Chevron, Polish firm explore shale gas options amid Ukraine

In an effort to speed up exploration for natural gas in southwestern Poland, the country's gas giant PGNiG is signing on with Chevron to diversify its energy portfolio.

Poland relies on Russian imports, a growing problem in light of Ukraine. Now the country wants to diversify its energy sources, and hopes its shale gas deposits can do the trick, the Associated Press reports.

The companies said working together will help cut costs and risks.

Warsaw is pushing the European Union to also develop a joint energy system and scale back reliance on Russia.

The U.S. is mulling whether expedited natural gas exports would help Ukraine and the surrounding region. The U.S. and Europe have imposed sanctions on Russia, which may hurt its oil and gas industry but have yet to place restrictions on the energy sector itself.