That’s a wrap – thank you for reading the Need to Know blog today. These were some of the main stories:

• NSW minister quits over car scandal: Transport Minister Jo Haylen resigns over “errors of judgment” in her use of a taxpayer-funded driver.

• Iran is developing plans for faster, cruder atomic weapon: New intelligence about Iran’s nuclear program has convinced US officials that a secret team of the country’s scientists is exploring a faster, if cruder, approach to developing an atomic weapon if Tehran’s leadership decides to race for a bomb, according to current and former US officials.

• US Senate confirms fracking boss as Trump’s energy secretary: The US Senate on Monday (Tuesday AEDT) confirmed Chris Wright, a fracking executive, to be President Donald Trump’s energy secretary.

• Canada’s Trudeau says Trump tariffs postponed by at least 30 days: Donald Trump held off on his tariff threats against Canada for 30 days after the northern neighbour agreed to boost border security efforts.

• Chalmers hopes he won’t have to retaliate against Trump: Treasurer Jim Chalmers says he hopes he will not need to retaliate against US President Donald Trump as Australia has a mutually beneficial trading relationship with the country.

• Trump orders creation of US sovereign wealth fund, says it could buy TikTok: US President Donald Trump signed an executive order on Monday (Tuesday AEDT) ordering the creation of a sovereign wealth fund within the next year, saying it could potentially buy the short video app TikTok.