Are there any diesel cars which do not have DPFs or DMFs fitted?

I have seen mentioned problems with dual mass flywheels and DPF filters. Are there any diesels that do not use DPF filters or have dual mass flywheel issues? I believe Honda has just started fitting DPF...

Does the Mazda 2 have a chain cam?

Can you please advise if a Mazda 2 1.3TS2 has a chain cam and also if it has a dual mass flywheel?

Does the 2008 Volvo XC70 have a dual-mass flywheel?

I know most diesel cars have a dual-mass flywheel but cannot find confirmation on a car I am Intending to buy, which is a 2008 Volvo XC70. Do you know if it does?

Honda CR-V (2012 - 2018)

1.6 i-DTEC is punchy and efficient, massive boot and a spacious cabin for five adults, superb build quality edges the CR-V into premium territory.