There's been a bit of talk lately about GPS tracking on bike's and I've noticed a few of the more paranoid/cynical among us suggesting that it might be used by the govt to track our every move... Well here it is, taken from Yahoo news today: Scrap fuel taxes, pay per km: expert Australia should consider scrapping fuel taxes and introduce a national kilometre-based charge for all vehicles, a transport expert says. The proposal comes just weeks after federal Transport Minister John Anderson flagged introducing a toll on the Pacific Highway between Sydney and Brisbane to enlist the finances of private companies to fund a dual carriageway. Institute of Transport and Logistics Studies (ITLS) director Professor David Hensher told a transport seminar kilometre-based charges were much more efficient. The user-pays scheme, based on the weight of a vehicle and the distance it travels would use global positioning system (GPS) technology to track vehicle movements, Prof Hensher told AAP after the seminar. Germany had introduced the system in all its freight trucks and Oregon in the United States was trialling the scheme in passenger cars. California was likely to adopt a similar regime in the near future and it would be applied in a limited sense, via electronic tagging, on the M7 linking Sydney's western suburbs, Prof Hensher said. "We've finally got the technology where we can go out and introduce an efficient charge, instead of a discriminatory one that we've currently got," he said. "We're really relocating the money from fuel to use (charges). "I think this is something that is not going to go away." But it would have to be phased in slowly, with the scrapping of state fuel taxes first, he said. As traffic into and out of Australia's major cities condenses, congestion charges, like the one levied on drivers in London, are being considered for the first time. But a user-pays charge on all vehicles nationwide would be a one-stop levy, Prof Hensher said. Despite Mr Anderson's office ruling out the introduction of such a scheme last month, Prof Hensher remained confident it was the way of the future. "This is not a pie-in-the-sky (idea)," he said.