The bills for internet services that Elections Canada hopes will lead to the person behind robocalls in Guelph, Ont., don't match the account number assigned to the Guelph Conservative campaign, the Ottawa Citizen is reporting.

Dean Del Mastro, the parliamentary secretary to the prime minister, says misleading phone calls in the Ontario riding of Guelph during the last federal election campaign were "untoward" but insists the Conservative Party has no idea who's responsible.

An audio recording surfaced Friday to show the Conservative campaign in Guelph, Ont., wasn't the only one to use automated robocalls in the last federal election campaign. The Liberals also employed the technique.

Elections Canada has traced a computer from a Conservative campaign in Guelph, Ont., to the account that paid for robocalls that falsely directed voters to the wrong polling station in the last federal election.

Researchers at the University of Guelph's Ridgetown campus are using an artificial cow stomach to convert organic waste into electricity.