• Reference: 2012/2888
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Are you confident that the changes to hospital services in West London are being led by clinicians?

• Reference: 2012/2887
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Please list the average PM10 emissions (g/km) from your new bus for London. How does this compare with existing double decker hybrids such as ADL Enviro400s and Volvo vehicles?

• Reference: 2012/2886
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Please list the average concentration (mg/km) of particulate matter (PM10 and PM2.5) arising from mechanical abrasion and corrosion on your new bus for London, including tyre and brake wear.

• Reference: 2012/2885
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Will the net vehicle weight of your new bus for London - roughly 750kg heavier than the most commonly used hybrid buses - have an adverse impact on the level of dangerous particulates (PM10 and PM2.5) in central London?

• Reference: 2012/2884
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Given that tyre and brake wear is a major source of harmful airborne particles (PM10 and PM2.5) in central London, what emission tests were carried out on your new bus for London prior to your commitment to roll-out 600 vehicles between now and 2016?

• Reference: 2012/2883
• Question by: Stephen Knight
• Meeting date: 17 October 2012

What, if any, plans do you have to tackle diesel emissions originating from ships at dock, for example from auxiliary engines, boilers, and on-board generators? Given the increasing popularity of central London berths - such as at Tower Bridge Upper, next to HMS Belfast - will you investigate setting new standards for the treatment of high volume stationary source diesel emissions?

• Reference: 2012/2882
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Do you have any plans to increase the quantity of recycled material currently exported by water to recycling centres?

• Reference: 2012/2881
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Please provide an update on TfL's plans to conduct a trial of all-electric buses to establish if developments in battery performance might offer an alternative to diesel and hybrid technology in certain operating conditions?

• Reference: 2012/2880
• Question by: Stephen Knight
• Meeting date: 17 October 2012

How will you ensure that water efficiency remains a key component of any GLA sponsored homes retrofit scheme?

• Reference: 2012/2879
• Question by: Stephen Knight
• Meeting date: 17 October 2012

Given that the legal framework for the Green Deal is now in place, can you provide an update on the future scope, and scale, of your homes retrofit scheme (RE:NEW)?