Overdrive: Fuel security, fast rail reality and living with the Deepal E07

Fuel security, fast rail; living with a Deepal E07

Short description

David Brown and Paul Murrell cut through the headlines and hype, starting with fuel security risks as Middle East tensions unsettle oil markets and sharpen the case for electrification. They look at China’s rapid rise in Australia’s new-car market, revisit Grand Prix history through the Repco Brabham BT19, and question Cadillac’s EV push. The program also highlights overlooked engineering pioneer Frederick Lanchester, the inventor behind the dashboard fuel-door arrow, tests the Deepal E07 as a day-to-day vehicle, and brings a more practical lens to the federal government’s very fast train proposal.

Episode Breakdown

Fuel security and EV shift — 00:00:25

China’s car surge — 00:05:32

Grand Prix history and Cadillac EVs — 00:11:05

Frederick Lanchester remembered — 00:23:41

The fuel-door arrow idea — 00:27:51

Very fast train reality check — 00:30:16

Deepal E07 living-with review — 00:43:22

Fuel security and EV shift

The program opens with concern over fuel prices and supply resilience as conflict near the Strait of Hormuz rattles oil markets. David and Paul argue Australia remains too exposed because it imports most refined fuel, and they suggest the issue is not only price but availability, queues and broader economic disruption.

China’s car surge

They discuss February 2026 sales data showing China overtaking Japan as Australia’s biggest source of imported vehicles. The conversation links that shift to growing sales of EVs and plug-in hybrids, with both presenters arguing buyers may increasingly value energy security and reduced dependence on petrol.

Grand Prix history and Cadillac EVs

Paul highlights the Repco Brabham BT19, which returns to prominence at the Australian Grand Prix as a rolling tribute to Sir Jack Brabham and Ron Tauranac. They contrast its light, mechanical simplicity with modern Formula One, then turn to Cadillac’s local EV launch, questioning whether brand cachet and Formula One exposure will translate into real sales in Australia.

Frederick Lanchester remembered

A standout history segment profiles British engineer Frederick Lanchester, credited with pioneering ideas including four-wheel drive, turbocharging, fuel injection, disc brakes and rack-and-pinion steering. Paul presents him as one of motoring’s great forgotten innovators whose ideas arrived decades before the market was ready.

The fuel-door arrow idea

David notes the death of Jim Moylan, the Ford engineer credited with popularising the small dashboard triangle showing which side the fuel filler is on. It is treated as a modest but brilliant piece of user-focused design that matters even more when drivers regularly swap vehicles.

Very fast train reality check

The federal government’s Sydney–Newcastle very fast train plan gets a sceptical but measured review. David questions whether the project is solving the right problem, arguing that cheaper improvements to existing rail and better local transport could deliver more practical public value than a prestige megaproject.

Deepal E07 living-with review

Rather than focusing on raw performance, the review examines usability, controls and communication. The presenters like the E07’s refinement, features and clever touches, but they also criticise awkward translations, screen-heavy interfaces and some confusing functionality, concluding it is impressive yet still imperfect as a daily driver.

Program Links and Credits

Overdrive is broadcast across Australia on the Community Radio Network.

For longer versions of the program, past episodes and more content, search for Cars Transport Culture on the website, podcast platforms, Facebook, Instagram and YouTube.

First aired 7 March 2026.