Robert Kubica's sponsor has asked Williams to provide a formal explanation for the Polish driver's retirement from the Russian Grand Prix. read more »

Robert Kubica's sponsors Orlen say they may take action against Williams over the Polish driver's retirement at the Russian Grand Prix. read more »

Robert Kubica's sponsor has questioned the reason given by the Williams Formula 1 team for the one-time race winner's retirement from the Russian Grand Prix read more »

PKN Orlen confirms it will talk to Williams about its decision to withdraw Kubica from the race in Russia in order to save parts on his car. read more »

Robert Kubica's sponsor, Orlen, which also sponsors the Williams team, has called on the Grove outfit to explain his retirement from the Russian Grand Prix. read more »

Robert Kubica's sponsor demands answers over Russian GP retirement read more »

Robert Kubica’s sponsors, Orlen, want an official explanation from Williams as to why they retired him at the Russian Grand Prix. With George Russell already out of the race... read more »

Haas boss Gunther Steiner has rubbished suggestions from former title sponsor Rich Energy that the team is in talks to be sold to investors from Saudi Arabia read more »

Having parted company with title sponsor Rich Energy, Haas reveals the revised livery it will race with for the remainder of the season. read more »

Haas has revealed its revised Formula 1 livery following its split with its former title sponsor Rich Energy read more »

In the mid-1980s successful Indycar team boss Carl Haas started his own F1 team, with a big-money sponsor, turbo engines from Ford, and 1980 world champion Alan Jones as star... read more »

The Haas F1 team has cut ties with title sponsor Rich Energy, so the British energy drinks company can pursue a "revised global strategy". read more »

Haas announces that it has ended its partnership with title sponsor Rich Energy with immediate effect. read more »

Haas has confirmed an "amicable" split from title sponsor Rich Energy with immediate effect. read more »

Rich Energy's future as Haas' title sponsor will be resolved by the time Formula 1 gets to Singapore later this month, confirms Gunther Steiner. read more »

The short-term futures of Romain Grosjean and Rich Energy were in doubt for the German Grand Prix, but both driver and sponsor seem set to remain with Haas at Hockenheim. read more »

Red Bull's title sponsor Aston Martin have said that they will "stand ready" to up their Formula 1 involvement if Honda don't commit beyond 2020. read more »

Red Bull's title sponsor Aston Martin has talked up the prospect of becoming an engine supplier in Formula 1, if the team's existing partner Honda does not remain in... read more »

A breakdown of the bizarre saga which has seen Haas' title sponsor Rich Energy change its name to Lightning Volt and part company with its aloof CEO, William Storey. read more »

Racing Point's title sponsor SportPesa has refuted any suggestion that it will be forced to close down over the Kenyan government's moves to regulate gambling. read more »

Haas sponsor Rich Energy changes name, drops CEO William Storey read more »

William Storey is no longer associated with Rich Energy, UK government documents have confirmed - and in addition the company has been renamed Lightning Volt read more »

Formula 1's only American team's fourth season, on-track and off it, has so far been nothing short of a star-spangled disaster. Drivers Romain Grosjean and Kevin... read more »

Rich Energy are fast proving to be the sponsor that no one wants, and who could blame them. read more »

Haas F1 team boss Guenther Steiner insists the US squad's reputation has not been hurt by the saga involving its title sponsor Rich Energy. read more »