'Please can you summarise how F1 rules have changed since Fernando Alonso's F1 debut?', asks Richard in Dallas, Texas. 23 years of engines, tyres and points systems? No problem for Christian Hewgill and Katie Osborne! That's just one of the questions tackled in this episode, featuring F1TV commentator Alex Jacques and former Renault F1 racer Jolyon Palmer. Also answered:  What's the difference between F1, FOM and the FIA?   What happens in a team after a bad pit stop? Why did Jolyon Palmer never wear a cap when he raced in F1? Ask us a question! Want to be on the next episode of F1 Explains? If you've got an F1 question, send it to us and we'll find an expert to answer it. Send your email or voice note to [email protected] Previously on F1 Explains Points, pronunciation + the 'pit' lane - with Jolyon Palmer + Alex Jacques How Formula 2 + Formula 3 prepare drivers for F1 - with Oscar Piastri F1 Academy - with Susie Wolff + Lia Block The F1 race start - with Mick Schumacher + Bernie Collins Behind the scenes on Drive to Survive - with Exec Producer James Gay-Rees Why F1 pre-season testing matters - with McLaren's Oscar Piastri How F1 teams build their new cars - with Aston Martin Technical Director Dan Fallows More Official F1 Podcasts In-depth interviews with the sport's biggest stars: F1 Beyond The Grid with Tom Clarkson Listen to race previews and reviews from the F1 paddock on F1 Nation