Supporters of the long-delayed project, a top Republican energy priority, came up one vote short of the 60 needed for approval in the 100-member chamber.
Rejection of the pipeline, which became a political football in the aftermath of November's midterm elections, sets up another likely showdown when the new Republican- controlled Congress convenes in January.
Many of the 45 Republicans who supported the bill, as well as some of the 14 Democrats who voted with them, described Keystone XL as a "no-brainer" that would generate thousands of jobs and improve American energy independence.
Republicans vowed they would bring the bill to another vote in January.
"Senate Democrats once again stood in the way of a shovel-ready jobs project that would help thousands of Americans find work -- a remarkable stance after an election in which the American people sent a clear message to Congress, to approve serious policies," top Republican Senator Mitch McConnell said.
"But once the 114th Congress convenes, the Senate will act again on this important legislation, and I look forward to the new Republican majority taking up and passing the Keystone jobs bill early in the New Year.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
