Cybersecurity
JBS has extensive facilities in the U.S., including processing plants in Texas and Colorado.
Pipeline companies could face financial penalties that start at $7,000 per day if they fail to comply with the security directive.
Committee chairs said they were "disappointed" the operator of the nation's largest gas pipeline refused to give details about its ransomware attack.
The biggest fuel pipeline in the U.S. had halted service after becoming the victim of a ransomware attack that cut off deliveries to the East Coast.
WHAT'S HAPPENING
On CNN, Chris Krebs, the fired chief of U.S. cybersecurity, fears for American democracy even after President Donald Trump leaves office.
"We're on the verge of what I fear to be a pretty significant breakdown in democracy and civil society," said Chris Krebs.
President Donald Trump has cast doubt on Moscow's involvement, despite even his own secretary of state and attorney general saying the intelligence points to Russia.
The Republican senator slammed President Trump for falsely suggesting China may have been behind the cyberattack.
"Russia, Russia, Russia is the chant when anything happens," Trump tweeted after Secretary of State Mike Pompeo said Russia is "pretty clearly" behind the attack.
The Utah senator compares the situation to a president keeping quiet about a White House flyover by Russian bombers.