“Americans don’t want to get their oil from the Middle East anymore,” Hoeven said on the floor Thursday. “They want to get it here.”

The pipeline would transport crude from Canadian oil sands across the country to refineries in Gulf Coast states.

Hoeven argued that the construction of the pipeline would not only help the U.S. become more energy independent, but also creates jobs and boosts the economy.

The administration has delayed ruling on whether to approve construction of the pipeline for more than 1,000 days. Republicans have accused President Obama of bending to the will of liberal environmentalists, who say the pipeline would harm the environment.

"You’d have to be asleep for the last 10-15 years to not believe that carbon pollution is dangerous to the planet," Sen. Barbara BoxerBarbara BoxerAnother day, another dollar for retirement advice rip-offs Carly Fiorina 'certainly looking at' Virginia Senate run Top Obama adviser signs with Hollywood talent agency: report MORE (D-Calif.) said. "But when you listen to the debate I didn’t hear one person say carbon pollution is a problem. ... The Keystone pipeline will ship one of the dirtiest supplies of energy across the country."

Vulnerable Democrats in conservative states have co-sponsored Hoeven’s amendment. Sens. Mary LandrieuMary LandrieuMedicaid rollback looms for GOP senators in 2020 Five unanswered questions after Trump's upset victory Pavlich: O’Keefe a true journalist MORE (D-La.), Mark BegichMark BegichPerez creates advisory team for DNC transition The future of the Arctic 2016’s battle for the Senate: A shifting map MORE (D-Alaska) and Mark PryorMark PryorMedicaid rollback looms for GOP senators in 2020 Cotton pitches anti-Democrat message to SC delegation Ex-Sen. Kay Hagan joins lobby firm MORE (D-Ark.), all running for reelection in 2014, signed on. Sen. Heidi HeitkampHeidi HeitkampDems struggle with abortion litmus test Lawmakers reintroduce online sales tax bills Overnight Regulation: Senators call for 'cost-effective' regs | FCC chief unveils plans to roll back net neutrality MORE (D-N.D.) is also a co-sponsor.

"At the end of the day it’s about creating American jobs," Begich said. "It’s the right decision. I’m just somewhat perplexed by the administration's delay after delay."

The Senate is working on The Energy Savings and Industrial Competitiveness Act, S. 1392, which contains measures to boost building codes, train workers in energy efficient building technologies, help manufacturers become more efficient and bolster conservation efforts at federal agencies, among other provisions.