  In order to make precision measurements of GeV-scale neutrino oscillations a
detailed understanding of both GeV-scale neutrino-nucleon scattering cross
sections and nuclear effects are essential. To achieve this, many of the latest
analyses at the T2K off-axis near detector (ND280) complement existing results
by utilising new techniques to measure muon neutrino charged-current
interactions without pions in the final state (CC0$\pi$ interactions). These
techniques include water subtraction to obtain a double-differential cross
section on oxygen and measurements of differential cross sections using proton
kinematics or composite proton-muon variables (such as single transverse
kinematic imbalance). In this work these latest CC0$\pi$ measurements are
presented with a view to demonstrating their potential to provide complementary
precision cross-section measurements and innovative probes of nuclear effects.}
