UC Berkeley Human Powered Vehicle (HPV) Team  
   Site dedicated to human powered vehicles and the assault on the human powered vehicle land speed record.
   http://calhpv.berkeley.edu/

Human Powered Race America  
   The only racing series in the United States for recumbent and Human Powered Vehicles (HPVs). Includes events calendar, overview and history, along with information regarding the .deciMach Prize For Human Powered Speed.
   http://www.recumbents.com/hpra/

Quadcycles  
   Focused on the proliferation and improvement of the "4 wheeled bike." Features links to manufacturers and related resources to earth conscious types of transportation.
   http://www.angelfire.com/wa3/quadcycles/index.html

Recumbent Cycling Across America  
   While touring America's backroads on a Lightning Stealth, Charles DiBella is available to speak at schools, churches, civic clubs, and with individuals.
   http://www.recycles.org/cycle/

Workbikes  
   The industry portal for workbikes. Find out who makes them, who rides them and the latest news.
   http://www.workbike.org/

Dan Speas' Variable Exercise Bicycle  
   Offers overview and photo gallery of a cable-driven bike with independent pedals and an infinite array of gear ratios. It is useful as a rehabilitation tool. Features videos on the bike and riding.
   http://www.vcasa.net/bike

Get Bent  
   Information on recumbent biking and heathly lifestyles. The site offers a listing of south Florida recumbent biking events and a message board.
   http://www.bentrideronline.com/getbent/

Bikefix: human power solutions  
   The centre for human powered vehicles of every description.
   http://www.bikefix.co.uk/

MozBike.com  
   Moz describes his bikes, how he builds them, what he uses them for. Mostly load bikes and silly bikes, some are both.
   http://www.mozbike.com/

Jack's Recumbent Website  
   Describes how to fully fair a Linear Sonic. Photographs and descriptions of modifications made by other Linear owners.
   http://willijk.tripod.com/

Recumbent Bicycles  
   How to choose a recumbent, manufacturer websites, and information.
   http://www.icehouse.net/jim_d/bents.html

Kinetic Sculpture Links  
   Links to photo galleries, descriptions, artists and active Kinetic Sculpture Race sites in the U.S. and worldwide.
   http://ebeltz.net/niftylinks/ksrlinks.html

Cycle Rickshaw Innovation  
   An idea for modernising cycle rickshaw or human powered vehicle. Reduces operator fatigue by converting sideways movement into forward momentum.
   http://members.fortunecity.com/vu2bxd/rickshaw.htm

World Solar Cycle Challenge  
   Annual event for participants to design and build a pedal-powered car capable of crossing the Australian continent, but with only daylight as fuel.
   http://www.wsc.org.au/

Bicycle Trailer  
   Demonstration of a practical human powered bicycle transportation. A cargo trailer for use behind a bike.
   http://www.acclivity.ca/kompressor/trailer/testing2.html

Kinetic Duo Sculpture  
   Features a pedal-powered Kinetic Sculpture, titled "Kinetic Duo." Julie and William Pitt will pedal Kinetic Duo in the 35th annual Great Kinetic Sculpture Race. Photographs, and step-by-step making.
   http://www.kineticduo.com/

June Moxon Braised Brass Sculptures and The Kinetic Sculpture Race  
   The sculptures race at events throughout the USA. Judged for art, engineering, pageantry and speed, these vehicles race on mud, pavement, sand, and water.
   http://www.angelfire.com/art2/junemoxon/index.html

Killer Tomato  
   Kinetic Sculpture Races. Learn how to build human-powered, all-terrain vehicles. Find out where these races take place. Combining art, science, and technology can be fun.
   http://fst.orst.edu/bob_durst/Tomato.html

Bike Design for Engineers  
   Bike design at CALPOLY San Luis Obispo. Includes background on the first Human powered helicopter, As well as student bicycle designs.
   http://www.calpoly.edu/~wpatters/

Surreys by Tecnoart of America, Inc.  
   Manufacturer of four-wheel pedal-powered cycles known as surreys. Offers products for sale and surrey rental business opportunities.
   http://www.tecnoartsurrey.com

JKM - Personal Transport Solution  
   A recumbent trike with a 3/4 fairing to make cycling easier, safer and more comfortable
   http://angelfire.com/mech/jkm/

Whymcycles - reconfigurations of recycled bicycles  
   Creative hand or foot powered bicycles creations in imaginative configurations, ridden daily by individuals, and en-masse in the UC Davis annual Picnic Day parade.
   http://whymcycles.home.comcast.net/