The D-Link Wireless N Pocket Router is an ideal travel companion featuring multi-mode functionality.

ENGADGET: D-Link announces Touch and Pocket 802.11n routers, Rush wireless accelerator

It is optimized to provide the ability to travel in all-electric mode for typical daily use, but can also leverage the existing gasoline infrastructure to power its range extending generator, as needed, thereby eliminating 'Range Anxiety' and providing the freedom, flexibility, and peace of mind that comes with the extended range of a conventional vehicle.

ENGADGET: Fisker Karma gets EPA-certified 52MPGe, sales ready to begin

But by taking the bang out of the sonic boom a new generation of supersonic cruisers aim to rekindle that sense of glamour while making it a quieter and more environmentally friendly 21st-century mode of travel.

CNN: Bang goes the sonic boom

There have been some questions over the cost-effectiveness of his mode of travel.

BBC: Prince Charles makes Glasgow first stop on green tour

In the all-electric EV Now mode, the accelerator only responds to the first one-third of pedal travel.

ENGADGET: Ford Fusion Energi plug-in hybrid test drive (video)

Among less expensive solutions, Nissan engineered the 2013 Leaf with a new range-extending drive mode the company says can increase the distance it can travel on a single charge by up to 15%, to 84 miles, by allowing the customer to choose to use up 100% of the energy stored in the battery.

WSJ: To Spark Buyers for Electric Cars, Drop the Price to Nearly $0

Once you visit a place, you can then return using a fast travel mode that gets you there without incident, but it does use up the same in-game time as if you had walked there.

CNN: SHARE THIS