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50This is how a tunnel boring machine will burrow a viaduct under Seattle

So it's not exactly automotive, but it is a fascinating vehicle – and you'll excuse us if we don't make any puns about how boring it actually is. A portion of Seattle's Alaskan Way Viaduct is being replaced by a deep tunnel, and the machine purpose-built for the job is the world's largest tunnel boring machine (TBM), christened "Bertha." Built by Hitachi Zosen, the 300-foot-long doomsday machine is excavating a 57.5-foot-wide hole for a two-level highway with two lanes in each direction.

15Opa! Flaming cheese closes tunnel in Norway after truck fire [w/video]

Behold, the power of cheese. Flaming fromage has clogged up the Brattlitunnelen in Norway for almost a week. According to Reuters, a truck was hauling brunost, a caramelized Norwegian goat cheese, through the tunnel when the cheese somehow caught fire. Due to its high percentage of fat and sugar, the cheese can burn "almost like petrol" if it gets hot enough, and the fire-concentrating properties of the tunnel meant it took four days to put out the flames.

37Tunnel collapses in Japan, seven missing [UPDATE: w/video]

The Associated Press reports a tunnel collapse between Tokyo and central Japan has left seven people missing. Rescue workers were unable to reach trapped and injured drivers on Sunday after a vehicle caught fire and filled the tunnel with smoke. Those who escaped reported hearing the voices of those still trapped by rubble calling for help, and early reports say at least three bodies have been found inside the collapsed tunnel. A spokesperson with the Fire and Disaster Management agency could no

334Road Trip! Russia approves tunnel to Alaska under Bering Strait

The Russian government has given the go-ahead on an ambitious new tunnel project that could connect Siberia with Alaska via an underground rail line. If completed, the $65 billion project will be the longest underwater tunnel in the world, besting the Chunnel between England and France by twice the distance. The planned course would stretch over 65 miles and would snake beneath the Big and Little Diomede Islands. According to Inhabitat, the project will be funded by a private and public partners

23Mexico paving Devil's Backbone, adding 63 tunnels and 32 bridges

Civil engineers in Mexico are in the midst of an ambitious project to span the infamous Devil's Backbone. Until now, if you wanted to cross the twisted span of the Sierra Madre that separates Durango from the coastal city of Mazaltan, you had to either take an eight-hour detour that circumnavigated the mountains or risk life and limb by tackling the dirt road that snakes through drug country. When the project wraps up in 2012, drivers will be able to hop over the mountains in a mere two and a ha

37Video: Remember that Gullwing tunnel trick? Yeah, that was Schumi

Schumacher surprises yet again – Click above to view the video after the jump

38Try, try again: FIA puts further restrictions on F1, freezes engine development

The World Motor Sport Council of the FIA, the international racing authority that governs Formula One, among other series, has rolled out a series of restrictions on the development of F1 cars starting with the coming 2008 season.

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