CPA investigating Pepsi? The Consumer Protection Agency (CPA) is investigating Pepsi following alleged uses of toxic substances, AMAY reports. CPA head Atef Yacoub said that the investigation follows claims made on social media. Pepsi has denied the claims and said it would also run its own tests. Yacoub has recently made headlines for everything from a campaign to award smiley faces to retailers who don’t raise prices to his campaign to censor Ramadan television advertisements and for going after pharma retailers. He was also the architect of the 1 December “buy nothing day” campaign, which he’s looking to turn into a three-month-long “buy no foreign products” drive.