Skip to Content

four-stroke


2/4SIGHT engine concept switches between 2 and 4 stroke operation

Until electric cars and their associated technologies (motors, batteries, controllers etc.) become mainstream, the internal combustion engine will need to be further refined in order to meet upcoming fuel economy requirements and current emissions regulations -- while still producing the power that consumers have come to expect. HCCI is one technology currently being developed to make these goals possible, while direct injection and turbocharging are simply becoming quite common. Ricardo has developed a new prototype engine called 2/4SIGHT ... Read more →

Rumormill: LML to produce Vespa PX clones with 4 stroke engines? Jeremy Korzeniewski

A few years ago, Bajaj stopped making their Chetak and Legend scooters, and since then there has been a dinstinct lack of any steel-bodied, manual transmission, 4-stroke scooters on the market. ...

World's cleanest V12 four-stroke engine - make it yourself for $60 Sebastian Blanco

Click for more photographs of this amazing piece of paper engineering. digg_url = 'http://green.autoblog.com/2008/03/03/worlds-cleanest-v12-four-stroke-engine-make-it-yourself-for/'; Pining for a ...

2/4SIGHT engine concept switches between 2 and 4 stroke operation 1 year ago on Autoblog Green

Until electric cars and their associated technologies (motors, batteries, controllers etc.) become mainstream, the internal combustion engine will need to be further refined in order to meet upcoming fuel economy requirements and current emissions regulations -- while still producing the power that ...

Rumormill: LML to produce Vespa PX clones with 4 stroke engines? 1 year ago on Autoblog Green

A few years ago, Bajaj stopped making their Chetak and Legend scooters, and since then there has been a dinstinct lack of any steel-bodied, manual transmission, 4-stroke scooters on the market. Genuine Scooters has begun selling their Stella scooter again after a short absence and Vespa themselves ...

World's cleanest V12 four-stroke engine - make it yourself for $60 1 year ago on Autoblog Green

Click for more photographs of this amazing piece of paper engineering. digg_url = 'http://green.autoblog.com/2008/03/03/worlds-cleanest-v12-four-stroke-engine-make-it-yourself-for/'; Pining for a V12 but don't want the cumbersome truck or racing car to put it into? Why not make one yourself out ...


Featured Galleries

  • RWE's Smart Ed
  • Smart Ed
  • Battery electric Volvo C30
  • Aston Martin Cygnet
  • Rinspeed UC?
  • BMW Concept ActiveE
  • Kepler Motion
  • Toyota Prius PHEV
  • Audi A1 teaser
  • Toyota Hybrid Concept Teaser
  • i-MiEV
  • Smart Ed and B-Class F-Cell

Categories

Autoblog

Daily Finance

Download Squad

Engadget

Joystiq

Autoblog Spanish

Switched.com

FanHouse

Asylum