Kart racing or karting is a variant of open-wheel motorsport with small, open, four-wheeled vehicles called "karts", "go-karts", or "gearbox/shifter karts" depending on the design.
 They are usually raced on scaled-down circuits.
 Karting is commonly perceived as the stepping stone to the higher ranks of motorsports.
Björn Karl Michael Wirdheim (born 4 April 1980) is a Swedish professional racing driver.
 He is the son of Örnulf Wirdheim, also a racing driver.
 Björn began racing karts, competing in his first race, at the age of 10.
 His main achievement to date is becoming the International Formula 3000 Champion in 2003.
PVP Karting is a Danish company which designs and constructs Superkart racing karts and engines, based in Slangerup.
 The company was founded by Poul Vilhelm Petersen and has been building PVP Superkarts for over a decade.
 In addition to racin kart chassis, PVP also produces a 250cc two cylinder racing kart engine, a tandem cylinder design, similar to those built by Rotax, FPE and BRC.
 PVP karts have won national titles across Europe, Northern America and Australasia, with Damian Payart winning the European Championship in a FPE engined PVP kart in 2003 and 2004.
Masters Karting Paris Bercy was an indoor karting competition which was held from 1993 to 2001 on a temporary circuit at the Palais Omnisport de Paris Bercy in December.
 Founded in 1993 by former Formula 1 driver Philippe Streiff, it was intended to gather the best drivers from all disciplines of motorsport and karting.
 In 2011, ERDF decided to revive the competition with electric karts.
Anderson Racing Karts is a manufacturer of open-wheel racing cars, specifically Superkarts. Andersons have won championships in all parts of the racing world and are current holders of European Superkart Championship, as well as titles in Great Britain, Germany, Sweden, Australia and New Zealand.
Superkart is a form of motor racing in which the class is a racing vehicle sized like a kart but with several characteristics more strongly associated with open-wheel racing cars.
Trenton Estep (born November 24, 1999 in San Antonio, Texas) is an American racing driver.
 Estep grew up racing karts from the age of 4 years old in New Braunfels Texas.
 He competed in various karting competitions such as SKUSA Pro Tour, Florida Winter Tour, US Open and Rotax Grand Finals in Portugal.
 In 2016 he made the transition from karts to open wheel cars.
 He entered the Formula Tour F1600, Canadian F1600 Super Series and F1600 Championship Series winning two Championships.
 He also ran in the opening round of the Redbull Global Rallycross Championship in Phoenix Arizona.
 In 2017 Estep makes his transition from open wheel to cars in the North American Porsche GT3 Cup Series, with JDX Racing.
The Lytchett Karting League (established 2005) is a British karting championship which primarily uses karting circuits in the South of England.
 The race format is usually two 15-minute timed sessions using the supplied karts at the chosen race venue.
The British Schools Karting Championship was set up in late 2003 as a means to promote karting to teenage school children in the United Kingdom.
 The main principle of the championship is to enable as many young people as possible to enjoy karting without having to spend thousands of pounds buying and maintaining karts.
 The championship achieves this by providing all the karts for the young drivers to race on in what is known as 'arrive-and-drive' kart racing.
 This reduces the cost of competing in a sport that otherwise expensive and inaccessible.
 In this sense the championship differs significantly from the National Schools Karting Association (NatSKA) because schools competing in NatSKA are required to purchase and maintain their karts in order to race them.
Akihiro Asai (born September 13, 1975) is a Japanese race car driver.
 He started racing karts in 1991, and moved up to open-wheel racing in 1994 at the age of 18.
 He won East & West Japanese Formula 4 titles in 1997.
 He competed in Formula Holden Australian Driver's Championship (1998–1999, 2002) and CART Toyota Atlantic (2000).
 Started entering GT car racing in 2003 from Team Taisan in the Japanese GT Championship where he won the first race.
 Competed in the Japanese GT Championship and Super GT in 2004, 2005 and 2010.
 Also raced in the 2005 Super Taikyu Series championship.
 From 2010, started to participate racing in south east Asia region and in 2011 he won the Supercar Thailand N.A. class Championship.
 Also races widely in GT Asia, Asian Le Mans Series, Thailand Super Series.

Question: PVP Karting is a company that designs what open-wheel style racing karts?
Answer: Superkart