A total of 12 examples of the Mazda CX-30 e-Skyactiv G have covered a 2,090km journey across Sweden, Finland and Norway powered entirely by biofuel.
The Fiat Fastback and Pulse are being offered in Brazil with a drivetrain that combines mild hybrid technology with the ability to burn ethanol.
The 1,600km journey was done by an example of each generation of the Mazda MX-5, all powered by 100% biofuel.
Biofuel is getting a permanent storage site at Crewe after it proved its worth powering the Bentley Heritage Collection and a special Bentayga EWB.
The two 718 Cayman GT4 RS models at the GP Ice Race were powered by renewable petrol made from food waste products.
The modified Continental GT3 racer will compete for the Time Attack 1 Pikes Peak record while running on a biofuel-based gasoline.
To contribute to reducing global CO2 levels, the Volkswagen Group has starting recycling cooking oil from restaurants into biofuel for car freighters.
Mazda is currently involved in joint research projects and studies to promote the widespread adoption of biofuels.
Mazda's involvement in carbon-neutral biofuel research sits alongside its efficient internal combustion engine development.
Local authorities are seeking industry views on feasibility of plant-based fuels such as palm, sugar cane, corn and algae at the pumps.
Five-star hotel The Westin Singapore has teamed up with Alpha Biofuels to turn waste cooking oil into biodiesel for its limousines.
Hummer has released details of its new 2010 H3 and H3T models, which is said to have environmentally-friendly features
Pressure for manufacturers to reduce their vehicle's emissions and up fuel economy has got Lamborghini saying they're looking to develop hybrid engines and to channel money into researching biofuels.
The Continental Supersports is the fastest and most powerful Bentley ever.
When the curtain rises on the 2009 Geneva Motor Show, Bentley will take a large share of the spotlight with the vehicle