Because the constitution prohibited any direct or indirect foreign ownership, there was no way to provide incentives for foreign firms to share their technology. But that foreign technology offered such important potential gains that President Enrique Peña Nieto was able to marshal a majority in the Mexican congress to amend the constitution and pass legislation that will bring foreign energy firms to the country.
在改革前，能源储备长期被视为国家遗产，只能由墨石油开发。由于宪法禁止外国人直接和间接拥有墨西哥油气资源，因此无法提供让外国企业分享技术的激励。但外国技术能够提供重要的潜在收益，使得总统涅托能引导墨西哥国会多数同意修改宪法、通过能引入外国能源企业的立法。